Kelps forest by Vanesa and Andrea
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Kelp forests are most developed off the California coast and occur in shallow, cold, and nutrient-rich waters. They are home to dense and highly productive kelp plants that can grow up to two feet per day, as well as a diverse array of marine life, including whales, sea otters, and millions of other plants and animals that rely on kelp forests for food and habitat. Giant kelp is one of the fastest growing plants and can reproduce through trillions of spores each year, though individual plants only live up to six years.
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The document discusses waste minimization and management. It defines waste and different types of waste like e-waste, iron waste, and bio-waste. It explains that waste minimization aims to reduce waste at its source and encourages reuse, recycling, and recovery. Various techniques can be used to minimize waste including modifying processes, improving resource efficiency, and reducing unnecessary materials and packaging. Proper waste management has environmental and economic benefits such as lower disposal costs and reduced environmental impacts.
Temperate deciduous forest flora & fauna
Temperate deciduous forests are found in parts of North America and Eastern Asia, and have four distinct seasons - spring, summer, autumn, and winter. In autumn, the leaves change color and fall off the trees for winter, when the trees are bare. Many animal species in these forests hibernate through the cold winter and emerge to feed during the warmer seasons, though deforestation has reduced their habitat as land is cleared for agriculture and development.
Temperate Deciduous Forest
Temperate deciduous forests are located in eastern North America, western Europe, parts of Asia, and southern South America. These forests experience seasonal changes with cold winters and warm summers. Common tree species include oaks, hickories, maples, and beeches which lose their leaves in autumn to conserve water. The forest has three layers - a top canopy layer, middle shrub layer, and bottom forest floor layer of grasses and ferns. These forests provide habitat but are threatened by human development and agriculture.
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Methods of waste disposal reduce, reuse , recovery, recycle
Methods of waste disposal reduce, reuse , recovery, recycle
Advantages, Materials to recycle &reuse, advantages of recovery
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Sea turtles-final-copy-approved
Sea turtles face many threats including habitat destruction, entanglement in fishing gear, pollution, and the 2010 Gulf oil spill. The spill particularly harmed Kemp's ridley turtles, weakening eggs and poisoning hatchlings and adults. Conservation groups like NASA and WWF helped by moving turtle nests from oiled beaches and raising awareness. The full impact may not be known for years as turtles take decades to mature. Donations to WWF support protecting critical habitats and reducing threats like bycatch.
Coral Reefs
Coral reefs are ecosystems located in warm, shallow ocean waters that are home to many species. They are made up of coral polyps that secrete calcium carbonate to form hard structures. Coral reefs come in several types - fringing reefs lie adjacent to shores, barrier reefs lie further offshore, and atolls form from sunken barrier reefs, enclosing lagoons. Coral reefs support a diversity of life through symbiotic relationships and provide important benefits to coastlines and economies. However, they are threatened by human activities such as pollution, overfishing, and coastal development.
Coral reefs and_their_marine_families
Coral reefs are ecosystems in warm tropical waters that are home to thousands of marine species. Coral is actually an animal made up of tiny coral polyps that live in colonies and build the calcium carbonate skeleton that forms reefs. Coral polyps get their energy primarily from algae called zooxanthellae that live inside their tissues. Coral reefs are important habitats that support a high level of biodiversity and provide food and protection to coastal regions, but they are threatened by climate change, pollution, and other human impacts. A wide variety of plants and animals including fish, sponges, clams, and sharks all make their homes on coral reefs.
Oceanography
This document discusses 7 species of sea turtles and the threats they face from human activity. It provides details on the appearance and characteristics of each species. The main threats are over-harvesting of eggs and meat, hunting for luxury items, and accidental killing from fishing nets and plastic debris. Conservation efforts include using Turtle Excluder Devices in shrimp nets, establishing protected nesting areas, promoting sustainable tourism, and advocacy work by organizations like the World Wildlife Foundation and Sea Turtle Conservancy.
Oceanography
This document discusses 7 species of sea turtles and the threats they face from human activity. It provides details on the appearance and characteristics of each species. The main threats are over-harvesting of eggs and meat, hunting for luxury items, and accidental killing through fishing nets and plastic debris. Conservation efforts include using Turtle Excluder Devices in shrimp nets, establishing protected nesting areas, promoting sustainable tourism, and advocacy work by organizations like the World Wildlife Foundation and Sea Turtle Conservancy.
Oceanography
This document discusses 7 species of sea turtles and the threats they face from human activity. It provides details on the appearance and characteristics of each species. The main threats are over-harvesting of eggs and meat, hunting for luxury items, and accidental killing from fishing nets and plastic debris. Conservation efforts include using Turtle Excluder Devices in shrimp nets, establishing protected nesting areas, promoting sustainable tourism, and advocacy work by organizations like the World Wildlife Foundation and Sea Turtle Conservancy.
Turtles
Sea turtles have existed for over 110 million years, but today all seven species are threatened or endangered. They play an important role in marine ecosystems by controlling prey populations and maintaining healthy seagrass beds. However, sea turtles face numerous threats such as pollution, overharvesting, climate change, artificial lighting, and illegal trade. To help protect sea turtles, individuals can reduce plastic use, participate in coastal cleanups, refrain from using balloons and fireworks near nesting beaches, and support conservation organizations.
Earth Day 2015 Project
Wetlands are essential habitats for fish species like the Spiny Lobster, Queen Conch, and Nassau Grouper. These species use mangrove wetlands as nursery habitats, hiding among the prop roots and being protected from predators. However, Bahamian laws do not adequately protect these important mangrove ecosystems, and degrading and destroying the marshes for other purposes is harming fish populations. The document calls for solutions like rehabilitating degraded wetlands and ensuring human activities do not damage these habitats, in order to help regenerate populations of these important fish species.
Sea Life Compass PPT
This document provides an overview of ocean ecology, coral reefs, and sea mammals. It discusses several key points:
- Ocean principles including that the ocean covers most of the planet, regulates climate and oxygen levels, and contains diverse ecosystems.
- Coral reefs are fragile underwater ecosystems that are home to vast biodiversity, though they cover less than 1% of ocean area. Reefs are formed over long periods by corals and other organisms.
- Human activities like pollution, development, and climate change threaten coral reefs by increasing ocean temperatures and acidity, which can cause coral bleaching and impact ecosystem health. Protecting these ecosystems requires international cooperation.
Origin and reefs of the world
Coral reefs are underwater structures formed from calcium carbonate secreted by coral polyps that live together in colonies. Corals can live over 4,000 years, longer than any other ocean animal. Corals are animals, not plants, that obtain nutrients through photosynthesis via algae living inside them or by catching food with stinging tentacles. Coral reefs are important habitats that are home to 25% of marine species and support tourism, fishing and coastal protection for many communities. However, coral reefs are threatened by pollution, climate change and other human impacts.
Origin and reefs of the world
Coral reefs are underwater structures formed from calcium carbonate secreted by coral polyps that live together in colonies. Corals can live over 4,000 years, longer than any other ocean animal. Corals are animals, not plants, that obtain nutrients through photosynthesis via algae living inside them or by catching food with stinging tentacles. The Great Barrier Reef is the largest coral reef, while India has significant reefs off the coasts of Gujarat and Tamil Nadu as well as in the Andaman and Nicobar Islands. Coral reefs are important as they provide habitat for over 25% of marine species and income for coastal communities from tourism.
Coral reef
Coral reefs occupy only 0.2% of the ocean but support over 25% of marine species. They are highly biodiverse ecosystems found in tropical waters between 30 degrees north and south. Coral reefs are constructed by corals which are colonial animals made up of tiny polyps. Polyps secrete calcium carbonate to form the coral structure and have a symbiotic relationship with algae called zooxanthellae. Coral reefs provide habitat for many organisms and are ecologically important as they protect coastlines from erosion and serve as nurseries for many fish species.
ABC Book Revised
This document is an alphabet book highlighting topics covered at the Marine Lab in Key Largo, Florida. It discusses three days the author's sixth grade students spend at Marine Lab each year learning about the coral reef, sea grass, and mangrove habitats through topics like algae, biodiversity, coral, dollars, echinoderms, filter feeders, global warming threats, hurricanes, invertebrates, John Pennekamp State Park, Key Largo, limestone, mangroves, nutrition, oxygen, plankton, questions, reefs, sea grass, tentacles, upwelling, volcanoes, warmth, exoskeletons, and zooxanthellae.
Coral reefs
Coral reefs are diverse underwater ecosystems formed over millions of years by corals secreting calcium carbonate. They occupy less than 1% of ocean area but are home to 25% of marine species. Coral polyps secrete limestone shells and rely on algae called zooxanthellae for food, allowing reef growth. There are two main reef types - fringing reefs near shore and barrier reefs separated from land by lagoons. Coral growth requires warm, clear, sunlit water at optimal depths between 20-40 meters with normal salinity and gentle waves.
4th Period Freshwater
Freshwater biomes include rivers, ponds, lakes, streams and creeks. A variety of plants like lily pads, swamp milkweed and water lilies can be found in freshwater environments. Common animals found include otters, hippopotamus, pink river dolphins and freshwater jellyfish. Freshwater biomes support complex food webs and are under threat from human impacts like oil spills.
The coral reef
Coral reefs are located in tropical oceans near the equator. The largest is the Great Barrier Reef in Australia and the second largest is off the coast of Belize in Central America. Coral reef protection aims to maintain healthy reefs by addressing both natural and human-induced stressors, which can range from negligible to catastrophic effects. Cold-water coral reefs also exist in Scotland and form habitats and shelters for many fish species. Coral reefs are extremely biodiverse ecosystems, home to millions of species including fish, corals, lobsters, clams, seahorses and sea turtles.
About the Bahamas Coral Reefs
Coral is an animal that belongs to the phylum cnidaria and reproduces both asexually through splitting and sexually by releasing eggs and sperm into the water during broadcast spawning events. Young coral floats as jellyfish-like larvae until attaching to reefs and building calcium carbonate shells. Coral reefs provide shelter and food for many species, protect coasts from waves, and play an important role in regulating ocean carbon dioxide levels. However, 10% of reefs have been destroyed by human threats such as global warming, pollution, and destructive fishing and tourism practices.
sea turtles
a presentation done by a faculty of science that I found on the Internet but with really valuable content and good pictures ( sourced )
Endangered species powerpoint blog
The Puerto Rican parrot population declined dramatically due to deforestation but conservation efforts have helped increase the population, though it remains endangered. The leatherback turtle faces threats from coastal development and disorientation from artificial lighting, while conservation laws protect them. The golden coqui's only habitat has been cleared, likely causing its disappearance.
Endangered Species
The document discusses several endangered species around the world and the main threats facing them, including habitat destruction and loss due to human activities like deforestation, urbanization, and construction. Specific endangered species mentioned include the Puerto Rican parrot, leatherback sea turtle, golden coqui frog in Puerto Rico, giant panda bear, and Komodo dragon in Indonesia. Conservation efforts aim to protect habitats, reduce threats, and increase populations of these at-risk species.
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La terra che sorpresa
Tres niños visitan el museo de ciencias naturales donde admiran el sistema solar y la Tierra desde lejos. Exploran la gran colección de rocas y fósiles, incluyendo un velociraptor. Aprenden sobre curvas de nivel y minerales al mirar una roca bajo un microscopio. Disfrutan de su visita y planean regresar.
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The Bengala Tiger by Leire
The tiger's scientific name is Panthera tigris tigris. They primarily live in India and Bangladesh in national parks like Sundarbans and Rabthambore. Tigers are carnivorous and solitary animals with strong legs and hair. Their coat is typically red or white. Females give birth to litters of around 6 cubs after a 90-115 day gestation period. However, tigers are now an endangered species due to threats such as illegal hunting, habitat loss to agriculture, and their reduced population numbers.
Mar menor/Minor Sea
The Mar Menor is a unique ecosystem located on the southeast coast of Spain, separated from the Mediterranean Sea by a strip of land. It has a warm, dry Mediterranean climate and fragile balance. The Mar Menor contains over 80 species of algae and sea grasses. Five volcanic islands are located within the Mar Menor, including Isla Perdiguera, Isla del Barón, and Isla del Ciervo. The Mar Menor provides an important habitat for many species and is a center for bird nesting, though its ecosystem is extremely fragile.
MANGROVES
Mangroves are salt-tolerant trees that grow in the intertidal zone near freshwater outlets in tropical and subtropical coastlines. They provide habitat for numerous species and protect coastlines from strong winds, waves, and tidal waves. Mangroves play an important role in absorbing carbon from the atmosphere and providing nutrients to other marine habitats. There are many species of mangrove trees with different water needs, including red, black, white, and grey mangroves. Mangroves support a diverse wildlife including marine, mangrove, and terrestrial species and are facing threats from coastal development, climate change, and illegal logging.
Empereur Penguin
This document summarizes information about emperor penguins. It describes their physical characteristics such as their large size, black and white coloring, and claws. It states that they live in Antarctica, requiring cold conditions to breed and feed. It estimates their population at around 200,000 breeding pairs and notes threats they face include predators, overfishing, oil spills, and rising temperatures due to climate change. The document recommends actions like reducing emissions and donating to conservation groups to help protect the species.
Amazonic forest
The document summarizes key aspects of the Amazonic Forest, including its general characteristics as the largest forest in the world spanning nine countries, tropical climate with high temperatures and rainfall, diverse flora and fauna including over 30,000 plant species and animals like jaguars and manatees, the Amazon River as the world's most voluminous river, and threats like deforestation from logging, agriculture and cattle ranching which can cause soil erosion, pollution and loss of biodiversity.
Tidal energy
Tidal energy harnesses the natural movements of tides to drive turbines either through tidal barrages built across estuaries that force water through gaps or potentially in the future through underwater turbines placed directly in the sea without dams. While tidal energy has potential to generate significant renewable energy suitable for isolated island nations, constructing tidal barrages is very costly and can only be utilized in certain estuaries without impeding water flow or waste removal.
Wind energy
Wind energy is a renewable energy source that uses wind turbines to harness the kinetic energy of wind and convert it into electricity. Wind arises from temperature differences between land and sea surfaces and the Earth's rotation, and when wind blows, it causes wind turbines to spin, generating electricity. Some advantages of wind energy are that it is non-polluting, provides more energy than solar power in some areas, has less impact on the ground than other energy sources, and does not affect water resources. However, wind energy is difficult to regulate due to variability in wind speed and the inability to store excess electricity produced.
Solar energy
Solar energy comes from the sun and is used in two main ways - to generate thermal energy by heating water or to produce photovoltaic energy by converting sunlight into electricity via solar cells. The advantages of solar energy are that it is renewable, can be used for electricity or heating water, and reduces energy costs when used in building construction. However, solar power is only available when the sun is shining and output is reduced by cloud cover or non-optimal panel positioning relative to the sun.
Biomass uses
Biomass is organic matter from plants or animals that can be burned or processed to create energy. It includes crops grown for energy production, agricultural and industrial waste, and garbage. Biomass can be burned to produce electricity or hot water, or converted into liquid biofuels like biodiesel. While a renewable resource, biomass still produces some pollution and large quantities are needed due to its lower energy output compared to fossil fuels.
Natural gas
Natural gas is a mixture of light hydrocarbons extracted from deposits underground. It is a non-renewable fossil fuel formed over hundreds of millions of years as organic matter like plants and plankton were buried under sediment and rock. Natural gas is used for heating buildings and power generation, as well as in vehicles. It produces less pollution than oil or coal but is still a finite resource and its transportation and use contribute to greenhouse gas emissions and environmental impacts.
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