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The document discusses the field of environmental science. It defines environmental science as the study of the air, water, and land surrounding organisms and communities, ranging from small to Earth's entire biosphere. The goal of environmental science is to study how human actions alter the environment and how humans use natural resources. Many fields contribute to environmental science, including ecology, which studies the interactions between living organisms and their environment.
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8 d english
This document discusses environmental imbalance and natural disasters. It begins by defining key terms like environment, ecology, and ecological balance. It explains that all components of the environment should be protected and balanced to maintain a good environment. When this balance is disrupted by factors like pollution, overpopulation, or deforestation, it can lead to ecological imbalance and problems like lack of food and increased conflict among people and animals. The document stresses the importance of ecological balance for human survival and calls for better management of natural resources to achieve this balance.
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An ecosystem includes all living and non-living things in a given area that interact with each other. Each organism has its own role, and ecosystems provide vital life-support services to humans like food, water, and air purification. However, ecosystems have been disrupted by both natural disasters and human activities.
Ecosystem and endangered species
This document discusses ecosystems and endangered species. It defines an ecosystem as being comprised of biotic (living) and abiotic (non-living) components that interact. It then explains key ecosystem processes like energy transformation through food chains and webs. The document also covers ecosystem controls, dynamics, and management. Finally, it discusses endangered species, reasons for their endangerment, classification systems, and approaches for conservation.
Ecology
1. Ecology is the study of the relationships between living organisms and their physical environment. This includes factors like light, heat, moisture, nutrients and interactions between different species.
2. An ecosystem is a biological community of interacting organisms and their physical environment. Major parts include producers, consumers, decomposers and abiotic (non-living) elements. Inputs include energy, water, nutrients and outputs include food webs and material cycles.
3. A food web shows the transfer of energy between organisms as one species eats another. It involves producers, primary, secondary and tertiary consumers, and decomposers which break down waste. Species also interact through predation, competition, parasitism and coevolution
Pollution Notes
Pollution is defined as contamination of the environment that harms humans or other organisms. There are two main types of pollution sources: point sources like smokestacks, and nonpoint sources like water runoff. Preventing pollution is more effective and less costly than cleaning it up after the fact. Some major causes of environmental problems are exponential population growth, wasteful resource use, poverty, and failure to account for environmental costs in market prices. Living more sustainably involves relying more on renewable energy, protecting biodiversity, and avoiding disruption of natural chemical cycles.
Ecology intro
The document provides an introduction to ecology. It discusses how the Earth formed around 4.5 billion years ago based on radioactive dating. The first life formed when lightning helped fuse molecules together to create the first prokaryotic and heterotrophic cell. Ecology is then defined as the study of interactions between living and nonliving factors in an environment. Examples of biotic factors include plants, animals, while abiotic factors include air, water, and energy. Ecosystems are areas that include all organisms and nonliving elements found in a particular place, such as a stream ecosystem containing fish, algae, bacteria, insects, aquatic plants, and nonliving elements like chemicals, pH, and sunlight levels.
Ecology Population
Ecology is the study of interactions between biotic and abiotic factors in ecosystems. It is concerned with issues like climate change, extinction, and endangered species. Ecosystems can be analyzed at different levels of organization from the biosphere down to populations of individual species. Organisms are interdependent on biotic and abiotic factors in their environment, and populations are regulated by density-dependent and independent factors. Populations grow through birth and immigration and decline through death and emigration, and their growth can be measured over time.
Ecological Anthropology: Hunting& Gathering & Subsistence Food Production
The document summarizes key aspects of hunting and gathering societies, the origins of agriculture, horticulture, and pastoralism based on chapters from the book "Introduction to Cultural Ecology". It provides case studies of the Nuu-Chan-Nulth, Mbuti, Grand Valley Dani, Lozi, Maasai, and Navajo peoples to illustrate different subsistence strategies and their relationships with the environment.
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8 d english
This document discusses environmental imbalance and natural disasters. It begins by defining key terms like environment, ecology, and ecological balance. It explains that all components of the environment should be protected and balanced to maintain a good environment. When this balance is disrupted by factors like pollution, overpopulation, or deforestation, it can lead to ecological imbalance and problems like lack of food and increased conflict among people and animals. The document stresses the importance of ecological balance for human survival and calls for better management of natural resources to achieve this balance.
Ecosystems by Group1
An ecosystem includes all living and non-living things in a given area that interact with each other. Each organism has its own role, and ecosystems provide vital life-support services to humans like food, water, and air purification. However, ecosystems have been disrupted by both natural disasters and human activities.
Ecosystem and endangered species
This document discusses ecosystems and endangered species. It defines an ecosystem as being comprised of biotic (living) and abiotic (non-living) components that interact. It then explains key ecosystem processes like energy transformation through food chains and webs. The document also covers ecosystem controls, dynamics, and management. Finally, it discusses endangered species, reasons for their endangerment, classification systems, and approaches for conservation.
Ecology
1. Ecology is the study of the relationships between living organisms and their physical environment. This includes factors like light, heat, moisture, nutrients and interactions between different species.
2. An ecosystem is a biological community of interacting organisms and their physical environment. Major parts include producers, consumers, decomposers and abiotic (non-living) elements. Inputs include energy, water, nutrients and outputs include food webs and material cycles.
3. A food web shows the transfer of energy between organisms as one species eats another. It involves producers, primary, secondary and tertiary consumers, and decomposers which break down waste. Species also interact through predation, competition, parasitism and coevolution
Pollution Notes
Pollution is defined as contamination of the environment that harms humans or other organisms. There are two main types of pollution sources: point sources like smokestacks, and nonpoint sources like water runoff. Preventing pollution is more effective and less costly than cleaning it up after the fact. Some major causes of environmental problems are exponential population growth, wasteful resource use, poverty, and failure to account for environmental costs in market prices. Living more sustainably involves relying more on renewable energy, protecting biodiversity, and avoiding disruption of natural chemical cycles.
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The document provides an introduction to ecology. It discusses how the Earth formed around 4.5 billion years ago based on radioactive dating. The first life formed when lightning helped fuse molecules together to create the first prokaryotic and heterotrophic cell. Ecology is then defined as the study of interactions between living and nonliving factors in an environment. Examples of biotic factors include plants, animals, while abiotic factors include air, water, and energy. Ecosystems are areas that include all organisms and nonliving elements found in a particular place, such as a stream ecosystem containing fish, algae, bacteria, insects, aquatic plants, and nonliving elements like chemicals, pH, and sunlight levels.
Ecology Population
Ecology is the study of interactions between biotic and abiotic factors in ecosystems. It is concerned with issues like climate change, extinction, and endangered species. Ecosystems can be analyzed at different levels of organization from the biosphere down to populations of individual species. Organisms are interdependent on biotic and abiotic factors in their environment, and populations are regulated by density-dependent and independent factors. Populations grow through birth and immigration and decline through death and emigration, and their growth can be measured over time.
Ecological Anthropology: Hunting& Gathering & Subsistence Food Production
The document summarizes key aspects of hunting and gathering societies, the origins of agriculture, horticulture, and pastoralism based on chapters from the book "Introduction to Cultural Ecology". It provides case studies of the Nuu-Chan-Nulth, Mbuti, Grand Valley Dani, Lozi, Maasai, and Navajo peoples to illustrate different subsistence strategies and their relationships with the environment.
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The document discusses several topics related to the environment:
1. The Gaia hypothesis proposes that life influences the environment to maintain conditions suitable for life, such as algae affecting climate through carbon dioxide and rainfall. However, few scientists accept that life deliberately controls the environment.
2. Urbanization is increasing as more people live in cities due to population and technology changes. This affects the environment through loss of habitats and increase in paved areas. By 2025, an estimated 67% of people will live in urban areas.
3. Deciding how to address environmental problems involves both scientific knowledge and values like the ecological, aesthetic, and moral value of the environment. These values influence differing views on issues like coal power
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This document provides an overview of environmental science and engineering concepts including the environment, ecosystems, and biodiversity. It defines key terms like environment, natural environment, man-made environment, abiotic components, biotic components, and energy components. It also describes the structure and functions of the atmosphere. Critical ecosystem concepts are explained like biome, producers, consumers, decomposers, energy flow, nutrient cycles, ecological succession, food chains, food webs, trophic levels, and ecological pyramids. Different types of ecosystems are classified as terrestrial or aquatic ecosystems.
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1 2 neo revolution
The document discusses the Neolithic Revolution and the beginnings of agriculture around 10,000 years ago. During this period, humans transitioned from hunter-gatherers to early farmers, settling down in permanent communities. Some key developments included the domestication of early plants like barley and wheat, as well as animals. This led to fundamental changes in human societies and lifestyles, as people relied more on farmed food and focused on farming rather than hunting. Permanent settlements developed and populations grew.
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The document discusses several environmental issues facing the Earth, including global warming, soil erosion, acid rain, weakening of the ozone layer, and air pollution. It notes that industrial development has polluted the land and water in dangerous ways that harm human health. Several specific issues are then outlined, such as the effects of acid rain and how increased solar radiation due to ozone layer depletion can impact plants, animals, and human skin cancer rates. The document emphasizes that protecting the environment should be one of humanity's most important goals.
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An ecosystem includes all living and non-living components interacting within a specific area. It consists of a community of living organisms like plants, animals and microbes, as well as non-living elements of their environment such as air, water, soil and climate. Within an ecosystem, different levels of ecological organization exist, including populations, communities, ecosystems and the biosphere, with an ecosystem representing all living things interacting with abiotic environmental factors in a given area.
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An ecosystem is defined as a combination of a habitat, the living things within it, and the relationships between them. It includes producers like plants that generate energy, consumers that feed on other organisms, and decomposers that break down dead matter. Humans are part of ecosystems and obtain natural resources from the earth but are putting pressure on ecosystems through pollution, overuse of resources, and causing extinction of other species.
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Human beings have an important role to play in environmental action and securing the future of the planet. The environment consists of the atmosphere, lithosphere, hydrosphere, and biosphere that surround and influence human and other life on Earth. Some key environmental problems facing the Philippines include water and air pollution, illegal logging, poverty, crowding, and improper garbage disposal that threaten sustainability.
Ecosystem: for students studying environmental Biology
This document provides an overview of ecosystems. It defines an ecosystem as any system composed of physical, chemical, and biological processes within a space-time unit of any magnitude. Ecosystems can be divided into biomes characterized by climate, landscape, or vegetation. Biomes contain various habitats and are home to populations, communities, and food webs. Energy flows through ecosystems via food chains and pyramids. The document also discusses different types of ecosystems such as forests, tundra, and rainforests, and how they are structured and function.
Ecosystem
An ecosystem consists of living and non-living components that interact and exchange materials between them. The non-living components include soil, air and water, while the living components include producers like plants, consumers that eat other organisms, and decomposers like bacteria and fungi. Energy from the sun is absorbed by plants through photosynthesis and transferred to consumers through the food chain, while decomposers break down waste and cycle nutrients back to be used by plants. Ecosystems strive for balance, but human activities are increasingly disrupting natural balances, threatening wildlife. Conservation efforts aim to restore balance by protecting habitats, wildlife, and raising environmental awareness.
Understanding Our Environment
The document defines key terms in environmental science and ecology, outlines the major fields of study that contribute to environmental science, and describes how hunter-gatherers, the agricultural revolution, and the industrial revolution impacted the environment. It identifies the goals of environmental science as understanding and solving environmental problems by studying human use of natural resources and how human actions change the environment. The document also classifies the three major environmental problems as resource depletion, pollution, and loss of biodiversity.
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-Parts of an Ecosystem
-Different types of organisms live in an ecosystem.
-Community
-Habitat
-Kinds Of Ecosystem
-Types of Ecosystems
-Components of Ecosystem
-Functions of an ecosystem
-PROCESSES OF ECOSYSTEMS
-Energy Flow Chart
-Types of Food Chains (Samples)
-Food Web
-Ecological Pyramids
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-Industrial Ecology and Recycling Industry
-Recycling
-Environmental management system (EMS)
-ISO 14000
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-How are these standards developed?
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Ecosystem Presentation Amity International Business School
An ecosystem is a biological community of interacting organisms and their physical environment. It includes biotic components such as plants, animals, fungi and microbes, as well as abiotic components like air, water, and mineral soil. Organisms within an ecosystem are organized into populations, communities, and food webs. Ecosystems can vary depending on factors like water, sunlight, and soil, and they can change due to natural causes or human activities such as pollution, construction, and overpopulation. Humans can help prevent ecosystem changes by wisely using resources, controlling pollution through laws, cleaning up litter, and keeping water sources clean.
Achieving environmental liberation through animal liberation by Adam Cardilini
Talk audio: https://archive.org/details/ELandAL
Wild mammals make up 4% of the biomass of global mammal populations, while humans make up 36% and farmed mammals make up 60%. Similarly, farmed chickens make up 70% of the biomass of global bird populations. To sustain these huge farmed animal populations we use vasts amounts of land, resources and produce significant amounts of greenhouse gas emissions. Our use of non-human animals is significantly impacting the global environment and is a leading cause of environmental destruction. By ending our oppression of farmed animals we can reclaim land for rewilding and significantly reduce our greenhouse gas emissions. To achieve environmental liberation we must understand the link between animal oppression and environmental destruction. Ignoring the oppression of animals comes at the expense of the environment.
This workshop will describe the link between animal and environmental oppression. Participants will discuss why animal oppression is often ignored in the environmental movement and identify ways forward.
Recorded at the Students of Sustainability 2018 conference: http://www.studentsofsustainability.org/
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The document discusses different ways of viewing the Earth and human relationships with the natural world. It describes hunter-gatherer, agricultural, and industrial societies and their environmental impacts. It also contrasts a frontier ethic of unlimited consumption with a sustainable development ethic of meeting needs without compromising future generations' ability to meet their own needs.
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The document outlines an upcoming presentation that will include presentations on ecosystems and the environment, as well as a skit on natural resource management and a quiz. It then provides background information on ecosystems, including their components and types. It describes the flow of energy through ecosystems, starting with sunlight being captured by producers and moving up the food chain. However, human activities like habitat destruction, overexploitation, and pollution are negatively impacting ecosystems. It concludes by listing several environmentalists and calling for working together to protect nature.
Ecology good
Ecology is the scientific study of interactions between organisms and their environments, focusing on energy transfer. The environment includes biotic factors like living organisms and abiotic non-living factors like temperature and soil. Organisms exist at different levels of organization from individual to population to community to ecosystem to biosphere. Feeding relationships include producers, consumers at different trophic levels, and decomposers. Relationships can be symbiotic like mutualism, commensalism, or parasitism. Nutrients cycle through ecosystems like water, carbon, and nitrogen to maintain homeostasis. Toxins can biomagnify and increase in concentration up food chains.
BIOLOGY Chapter 16: Changes In Ecosystems
This document discusses how climate change can impact ecosystems at different temperature increases over the next 100 years. At 0.5°C, coral reefs will bleach; at 1°C, 10% of global ecosystems will transform; and at 2°C, mass mortality of coral reefs will occur and 1/6 of ecosystems will transform. Primary changes to ecosystems, like temperature increases, can produce secondary changes through cascading effects that may not be immediately apparent. Examples are discussed of how primary changes can impact pandas or temperatures and lead to secondary changes. The document also covers succession in ecosystems and the differences between primary and secondary succession.
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An ecosystem is composed of three components: the habitat, living things, and relationships. The habitat includes non-living elements like rocks, soil, water, and air. Living things, like plants and animals, are adapted to their habitat. Relationships exist as living things depend on each other and their habitat for food, shelter, and survival. Within an ecosystem, producers like plants and algae make their own food, while consumers such as herbivores, carnivores and omnivores eat other organisms. Decomposers including fungi and bacteria break down dead organic matter. However, human activity is negatively impacting ecosystems through overconsumption of natural resources and pollution.
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The document defines an ecosystem as all living organisms in a region and their physical and chemical environment. It discusses biotic factors as living things and their remains/features, and abiotic factors as non-living components like rocks, oxygen, and water. Biotic and abiotic influences, like availability of resources, temperature, and interactions between species, impact populations and determine an ecosystem's carrying capacity, or maximum sustainable population size.
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The document discusses several topics related to the environment:
1. The Gaia hypothesis proposes that life influences the environment to maintain conditions suitable for life, such as algae affecting climate through carbon dioxide and rainfall. However, few scientists accept that life deliberately controls the environment.
2. Urbanization is increasing as more people live in cities due to population and technology changes. This affects the environment through loss of habitats and increase in paved areas. By 2025, an estimated 67% of people will live in urban areas.
3. Deciding how to address environmental problems involves both scientific knowledge and values like the ecological, aesthetic, and moral value of the environment. These values influence differing views on issues like coal power
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This document provides an overview of environmental science and engineering concepts including the environment, ecosystems, and biodiversity. It defines key terms like environment, natural environment, man-made environment, abiotic components, biotic components, and energy components. It also describes the structure and functions of the atmosphere. Critical ecosystem concepts are explained like biome, producers, consumers, decomposers, energy flow, nutrient cycles, ecological succession, food chains, food webs, trophic levels, and ecological pyramids. Different types of ecosystems are classified as terrestrial or aquatic ecosystems.
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Environmental science is an interdisciplinary field that studies how Earth systems function and how human activity impacts the planet. It addresses growing environmental concerns like population growth, resource depletion, loss of biodiversity, and climate change. Understanding science, sustainability, and our role as stewards of the planet can help us develop solutions to environmental problems and leave a habitable world for future generations.
1 2 neo revolution
The document discusses the Neolithic Revolution and the beginnings of agriculture around 10,000 years ago. During this period, humans transitioned from hunter-gatherers to early farmers, settling down in permanent communities. Some key developments included the domestication of early plants like barley and wheat, as well as animals. This led to fundamental changes in human societies and lifestyles, as people relied more on farmed food and focused on farming rather than hunting. Permanent settlements developed and populations grew.
The earth is in danger (2)
The document discusses several environmental issues facing the Earth, including global warming, soil erosion, acid rain, weakening of the ozone layer, and air pollution. It notes that industrial development has polluted the land and water in dangerous ways that harm human health. Several specific issues are then outlined, such as the effects of acid rain and how increased solar radiation due to ozone layer depletion can impact plants, animals, and human skin cancer rates. The document emphasizes that protecting the environment should be one of humanity's most important goals.
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An ecosystem includes all living and non-living components interacting within a specific area. It consists of a community of living organisms like plants, animals and microbes, as well as non-living elements of their environment such as air, water, soil and climate. Within an ecosystem, different levels of ecological organization exist, including populations, communities, ecosystems and the biosphere, with an ecosystem representing all living things interacting with abiotic environmental factors in a given area.
David, Ángeles y Adrián Robles
An ecosystem is defined as a combination of a habitat, the living things within it, and the relationships between them. It includes producers like plants that generate energy, consumers that feed on other organisms, and decomposers that break down dead matter. Humans are part of ecosystems and obtain natural resources from the earth but are putting pressure on ecosystems through pollution, overuse of resources, and causing extinction of other species.
Human and Environment
Human beings have an important role to play in environmental action and securing the future of the planet. The environment consists of the atmosphere, lithosphere, hydrosphere, and biosphere that surround and influence human and other life on Earth. Some key environmental problems facing the Philippines include water and air pollution, illegal logging, poverty, crowding, and improper garbage disposal that threaten sustainability.
Ecosystem: for students studying environmental Biology
This document provides an overview of ecosystems. It defines an ecosystem as any system composed of physical, chemical, and biological processes within a space-time unit of any magnitude. Ecosystems can be divided into biomes characterized by climate, landscape, or vegetation. Biomes contain various habitats and are home to populations, communities, and food webs. Energy flows through ecosystems via food chains and pyramids. The document also discusses different types of ecosystems such as forests, tundra, and rainforests, and how they are structured and function.
Ecosystem
An ecosystem consists of living and non-living components that interact and exchange materials between them. The non-living components include soil, air and water, while the living components include producers like plants, consumers that eat other organisms, and decomposers like bacteria and fungi. Energy from the sun is absorbed by plants through photosynthesis and transferred to consumers through the food chain, while decomposers break down waste and cycle nutrients back to be used by plants. Ecosystems strive for balance, but human activities are increasingly disrupting natural balances, threatening wildlife. Conservation efforts aim to restore balance by protecting habitats, wildlife, and raising environmental awareness.
Understanding Our Environment
The document defines key terms in environmental science and ecology, outlines the major fields of study that contribute to environmental science, and describes how hunter-gatherers, the agricultural revolution, and the industrial revolution impacted the environment. It identifies the goals of environmental science as understanding and solving environmental problems by studying human use of natural resources and how human actions change the environment. The document also classifies the three major environmental problems as resource depletion, pollution, and loss of biodiversity.
Environment management- ECOSYSTEMS
-WHAT ARE ECOSYSTEMS?
-Parts of an Ecosystem
-Different types of organisms live in an ecosystem.
-Community
-Habitat
-Kinds Of Ecosystem
-Types of Ecosystems
-Components of Ecosystem
-Functions of an ecosystem
-PROCESSES OF ECOSYSTEMS
-Energy Flow Chart
-Types of Food Chains (Samples)
-Food Web
-Ecological Pyramids
-Types of Ecological Pyramids
-Industrial Ecology and Recycling Industry
-Recycling
-Environmental management system (EMS)
-ISO 14000
-Objectives of ISO 14000
-How are these standards developed?
-The 17 requirements of the ISO 14001
-Other standards in ISO 14001 series
Ecosystem Presentation Amity International Business School
An ecosystem is a biological community of interacting organisms and their physical environment. It includes biotic components such as plants, animals, fungi and microbes, as well as abiotic components like air, water, and mineral soil. Organisms within an ecosystem are organized into populations, communities, and food webs. Ecosystems can vary depending on factors like water, sunlight, and soil, and they can change due to natural causes or human activities such as pollution, construction, and overpopulation. Humans can help prevent ecosystem changes by wisely using resources, controlling pollution through laws, cleaning up litter, and keeping water sources clean.
Achieving environmental liberation through animal liberation by Adam Cardilini
Talk audio: https://archive.org/details/ELandAL
Wild mammals make up 4% of the biomass of global mammal populations, while humans make up 36% and farmed mammals make up 60%. Similarly, farmed chickens make up 70% of the biomass of global bird populations. To sustain these huge farmed animal populations we use vasts amounts of land, resources and produce significant amounts of greenhouse gas emissions. Our use of non-human animals is significantly impacting the global environment and is a leading cause of environmental destruction. By ending our oppression of farmed animals we can reclaim land for rewilding and significantly reduce our greenhouse gas emissions. To achieve environmental liberation we must understand the link between animal oppression and environmental destruction. Ignoring the oppression of animals comes at the expense of the environment.
This workshop will describe the link between animal and environmental oppression. Participants will discuss why animal oppression is often ignored in the environmental movement and identify ways forward.
Recorded at the Students of Sustainability 2018 conference: http://www.studentsofsustainability.org/
Ch 12
The document discusses different ways of viewing the Earth and human relationships with the natural world. It describes hunter-gatherer, agricultural, and industrial societies and their environmental impacts. It also contrasts a frontier ethic of unlimited consumption with a sustainable development ethic of meeting needs without compromising future generations' ability to meet their own needs.
Sudiksha
The document outlines an upcoming presentation that will include presentations on ecosystems and the environment, as well as a skit on natural resource management and a quiz. It then provides background information on ecosystems, including their components and types. It describes the flow of energy through ecosystems, starting with sunlight being captured by producers and moving up the food chain. However, human activities like habitat destruction, overexploitation, and pollution are negatively impacting ecosystems. It concludes by listing several environmentalists and calling for working together to protect nature.
Ecology good
Ecology is the scientific study of interactions between organisms and their environments, focusing on energy transfer. The environment includes biotic factors like living organisms and abiotic non-living factors like temperature and soil. Organisms exist at different levels of organization from individual to population to community to ecosystem to biosphere. Feeding relationships include producers, consumers at different trophic levels, and decomposers. Relationships can be symbiotic like mutualism, commensalism, or parasitism. Nutrients cycle through ecosystems like water, carbon, and nitrogen to maintain homeostasis. Toxins can biomagnify and increase in concentration up food chains.
BIOLOGY Chapter 16: Changes In Ecosystems
This document discusses how climate change can impact ecosystems at different temperature increases over the next 100 years. At 0.5°C, coral reefs will bleach; at 1°C, 10% of global ecosystems will transform; and at 2°C, mass mortality of coral reefs will occur and 1/6 of ecosystems will transform. Primary changes to ecosystems, like temperature increases, can produce secondary changes through cascading effects that may not be immediately apparent. Examples are discussed of how primary changes can impact pandas or temperatures and lead to secondary changes. The document also covers succession in ecosystems and the differences between primary and secondary succession.
Marcos martin jose maria valentino
An ecosystem is composed of three components: the habitat, living things, and relationships. The habitat includes non-living elements like rocks, soil, water, and air. Living things, like plants and animals, are adapted to their habitat. Relationships exist as living things depend on each other and their habitat for food, shelter, and survival. Within an ecosystem, producers like plants and algae make their own food, while consumers such as herbivores, carnivores and omnivores eat other organisms. Decomposers including fungi and bacteria break down dead organic matter. However, human activity is negatively impacting ecosystems through overconsumption of natural resources and pollution.
Abiotic biotic
The document defines an ecosystem as all living organisms in a region and their physical and chemical environment. It discusses biotic factors as living things and their remains/features, and abiotic factors as non-living components like rocks, oxygen, and water. Biotic and abiotic influences, like availability of resources, temperature, and interactions between species, impact populations and determine an ecosystem's carrying capacity, or maximum sustainable population size.
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This textbook chapter introduces environmental science by defining the field and comparing it to ecology. It lists the major fields of study that contribute to environmental science and discusses the effects of historical periods like the Hunter-Gatherer era, Agricultural Revolution, and Industrial Revolution on the environment. The chapter also compares renewable and nonrenewable resources and classifies environmental problems into categories. Key terms are defined and online resources provided for further study.
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The document discusses arguments for protecting biodiversity from both an intrinsic and anthropocentric perspective. The intrinsic view is that biodiversity has value regardless of its benefits to humans, as all species are part of the evolutionary process. The anthropocentric view is that biodiversity provides economic, aesthetic, recreational, and insurance benefits to humans through ecosystem services like climate regulation and soil formation. Both perspectives aim to protect biodiversity, though they stem from different philosophies around nature's value. The document examines these arguments but leaves the conclusions open to the reader's interpretation.
Environmental-Science-Reporting.pptx
Environmental science is an interdisciplinary field that studies the connections between living and non-living parts of the environment. It aims to understand environmental problems, their causes, and potential solutions. Key principles from nature like solar energy, biodiversity, and nutrient cycling have allowed life to thrive on Earth for billions of years and provide lessons for sustainable living. While more developed countries use most resources, all nations must work to protect natural systems and resources for future generations.
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ecology basic.pptx
Ecology is the study of relationships between living organisms and their environment. Ecologists study interactions from microscopic to large-scale levels. Their research helps improve the environment, manage resources, and protect human health by identifying issues like water pollutants, controlling invasive species, and predicting disease outbreaks. Ecological knowledge has helped restore lakes and streams, develop safer pest controls, reduce water treatment needs, and save threatened species from extinction.
Chapter-1-MST.pptx
This document provides an overview of ecology, environmental science, and their relationship to the environment and human-environment interactions. It defines key terms like ecology, environmental science, and environment. It then discusses how human ecological footprints and activities like pollution, pest control, wildlife endangerment, and resource use affect the environment. It also covers the principles of sustainability, environmental ethics, and what constitutes an environmentally sustainable society.
The Human Impact On Biodiversity
The document discusses the importance of biodiversity. It states that biodiversity refers to the variety of life on Earth at all levels, from genes to ecosystems. Biodiversity is important as it provides humans with food and materials, and plays a key role in ecological processes that sustain life. However, human activities like habitat destruction, pollution, and climate change are reducing biodiversity at an alarming rate. While some species may benefit in the short term from these activities, long term there will be no benefits to humanity or other species from a loss of biodiversity.
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Biomes and their OrganismsXIyu ShenArgosy University.docx
This document outlines the demographic transition and its environmental impacts in Germany from 1800 to present day. It describes 5 stages of transition: 1) 1800 - low birth/high death rates during wars; 2) 1900 - increasing population as industrialization began, with high birth and decreasing death rates; 3) 1960 - continuing industrialization led to more pollution while birth rates remained high; 4) 1990 - population growth as reunification occurred and birth rates began to decline; 5) present day - Germany has low and stable birth/death rates, but faces increased environmental challenges from urbanization and industrialization such as pollution. The timeline shows Germany's shift from an agrarian to industrialized society and the related demographic and environmental changes.
How To Save Mother Earth Essay
The document discusses the destruction of Mother Earth through pollution and overconsumption of resources. It notes that 110 million Americans live in areas with harmful air pollution, and that the US uses 30% of the world's resources despite having only 5% of the population. This level of destruction and selfishness is unsustainable and will eventually lead to problems like homelessness and starvation. The document calls for people to come together to heal the Earth and live more sustainably.
Biodiversity and Monocultures
This document discusses biodiversity and monocultures. It notes that scientists have only identified a small fraction of the estimated 5-50 million living species. Biodiversity, or the variety of life in an area, is often measured by species richness which is highest in rainforests and lower in places like deciduous forests. However, human activity like deforestation is destroying habitats and increasing extinction rates far beyond natural levels. Engineered ecosystems like farms use monocultures of non-native species which have lower diversity and require intensive management compared to natural ecosystems.
Importance of biodiversity to humanKinds
Biodiversity is essential for human well-being and survival. It provides vital goods and services like food, medicine, clean air and water. Each species, no matter how small, plays an important role in ecosystem productivity and sustainability. At least 40% of the global economy and 80% of needs of poor people are derived from biological resources. Biodiversity also has immense aesthetic, cultural and spiritual value for humans. While we have benefited from biodiversity in many known ways, most of its benefits are still unknown as important species and ecosystem functions have yet to be discovered. Loss of biodiversity therefore poses a major threat to humanity's future welfare and progress.
WWF Living Planet 2018-Summary Report
The document discusses the urgent need for a new global deal for nature and people to address the decline in biodiversity and health of the planet. It notes that the Living Planet Index has shown a 60% decline in wildlife populations in just over 40 years, and that climate change is having effects at the ecosystem, species, and genetic levels. The key drivers of biodiversity decline remain overexploitation and agriculture, though threats also include invasive species, pollution, disturbance and climate change. A new global deal is needed to transition to a carbon-neutral society and halt and reverse nature loss through green finance, clean energy and sustainable food production.
biodiversity
This document discusses the importance of biodiversity and the interconnectedness of all life on Earth. It explains that humanity depends on millions of plant and animal species for basic needs like food, water, air and materials. However, human activities like habitat destruction are causing biodiversity loss at an alarming rate, with over 1,000 species already extinct and many more threatened. Small organisms like bacteria, fungi and insects play vital roles in ecosystems by decomposing waste, recycling nutrients, controlling pests and more. The document urges protecting biodiversity for the health of the environment and humanity.
Biological Diversity
1) Biodiversity refers to the variety of species that exist on Earth and the ecosystems they inhabit. Scientists estimate there are over 10 million species but some suggest over 100 million.
2) Each species is uniquely adapted to its ecological niche. Biodiversity underlies food, medicine, shelter and clothing for humans worldwide.
3) The rate of species extinction is estimated to be 27,000 per year, the sixth mass extinction in Earth's history. The primary cause is human destruction of natural habitats and ecosystems through activities like agriculture, urbanization, and infrastructure development.
B10vrv2063
This document discusses biodiversity and its importance. It defines biodiversity as the total genetic variation among all living organisms, including ecosystem diversity, species diversity, and genetic diversity. Biodiversity provides value through contributions to medicine, agriculture, and ecosystem services. However, human activities like habitat loss, overhunting, invasive species, pollution, and climate change threaten biodiversity by reducing species and genetic diversity. Conservation efforts aim to protect individual species through breeding programs, preserve habitats through protected areas like parks and reserves, and consider local human interests by providing incentives for conservation.
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C2 C Practice
- 1. Journal Entry What is the environment ? Is the environment something that can be “ harmed ,” “ saved ,” “ preserved ,” or “ destroyed ”?
- 2. Pause here Take 3 – 5 minutes
- 3. Welcome back! Let’s continue
- 9. Many Fields of Study