Freshwater ecosystems are a subset of Earth's aquatic ecosystems. They include lakes and ponds, rivers, streams and springs, and wetlands. They can be contrasted with marine ecosystems, which have a larger salt content. This module explains the characteristics of aquatic ecosystems-freshwater ones.
Freshwater ecosystems are a subset of Earth's aquatic ecosystems. They include lakes and ponds, rivers, streams and springs, and wetlands. They can be contrasted with marine ecosystems, which have a larger salt content. This module explains the characteristics of aquatic ecosystems-freshwater ones.
Marine ecology deals with the study of the environment and life in marine waters. It involves the study of marine organisms and their habitat. The details of marine ecosystems are given in this module.
Freshwater Ecosystems include standing water or lentic such as lakes, ponds, marshes and wet lands, and the flowing water or lotic such as spring, streams and rivers. This ecosystem is normally of very low salinity usually between 15 to 30 ppt. They are highly variable and their characteristics depend upon the surrounding geology, land use and pollution levels.
Grade 8 Integrated Science Chapter 19 Lesson 2 on different aquatic ecosystems. This lesson gives short defining characters of freshwater, ocean, wetland, and estuary ecosystems. Freshwater ecosystems include river, streams, lakes, and ponds. The ocean section describes the open ocean, coastal ocean, and coral reefs. There is also a short section about intertidal zones and layers of the open ocean. The objective of the lesson is that students should be able to identify defining characteristics of each ecosystem and be able to compare and contrast.
Marine ecology deals with the study of the environment and life in marine waters. It involves the study of marine organisms and their habitat. The details of marine ecosystems are given in this module.
Freshwater Ecosystems include standing water or lentic such as lakes, ponds, marshes and wet lands, and the flowing water or lotic such as spring, streams and rivers. This ecosystem is normally of very low salinity usually between 15 to 30 ppt. They are highly variable and their characteristics depend upon the surrounding geology, land use and pollution levels.
Grade 8 Integrated Science Chapter 19 Lesson 2 on different aquatic ecosystems. This lesson gives short defining characters of freshwater, ocean, wetland, and estuary ecosystems. Freshwater ecosystems include river, streams, lakes, and ponds. The ocean section describes the open ocean, coastal ocean, and coral reefs. There is also a short section about intertidal zones and layers of the open ocean. The objective of the lesson is that students should be able to identify defining characteristics of each ecosystem and be able to compare and contrast.
Temperature, light, Oxygen, salinity, pH are important marine factors which impact the major life and physical properties of the oceans. These factors make the marine environment a dynamic entity and otherwise impacting on the terrestrial ecosystems too.
The Estuarine System consists of deepwater tidal habitats and adjacent tidal wetlands that are usually semienclosed by land but have open, partly obstructed, or sporadic access to the open ocean, and in which ocean water is at least occasionally diluted by freshwater runoff from the land. The salinity may be periodically increased above that of the open ocean by evaporation. Along some low-energy coastlines there is appreciable dilution of sea water. Offshore areas with typical estuarine plants and animals, such as red mangroves (Rhizophora mangle) and eastern oysters (Crassostrea virginica), are also included in the Estuarine System.
"Understanding the Carbon Cycle: Processes, Human Impacts, and Strategies for...MMariSelvam4
The carbon cycle is a critical component of Earth's environmental system, governing the movement and transformation of carbon through various reservoirs, including the atmosphere, oceans, soil, and living organisms. This complex cycle involves several key processes such as photosynthesis, respiration, decomposition, and carbon sequestration, each contributing to the regulation of carbon levels on the planet.
Human activities, particularly fossil fuel combustion and deforestation, have significantly altered the natural carbon cycle, leading to increased atmospheric carbon dioxide concentrations and driving climate change. Understanding the intricacies of the carbon cycle is essential for assessing the impacts of these changes and developing effective mitigation strategies.
By studying the carbon cycle, scientists can identify carbon sources and sinks, measure carbon fluxes, and predict future trends. This knowledge is crucial for crafting policies aimed at reducing carbon emissions, enhancing carbon storage, and promoting sustainable practices. The carbon cycle's interplay with climate systems, ecosystems, and human activities underscores its importance in maintaining a stable and healthy planet.
In-depth exploration of the carbon cycle reveals the delicate balance required to sustain life and the urgent need to address anthropogenic influences. Through research, education, and policy, we can work towards restoring equilibrium in the carbon cycle and ensuring a sustainable future for generations to come.
Willie Nelson Net Worth: A Journey Through Music, Movies, and Business Venturesgreendigital
Willie Nelson is a name that resonates within the world of music and entertainment. Known for his unique voice, and masterful guitar skills. and an extraordinary career spanning several decades. Nelson has become a legend in the country music scene. But, his influence extends far beyond the realm of music. with ventures in acting, writing, activism, and business. This comprehensive article delves into Willie Nelson net worth. exploring the various facets of his career that have contributed to his large fortune.
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Introduction
Willie Nelson net worth is a testament to his enduring influence and success in many fields. Born on April 29, 1933, in Abbott, Texas. Nelson's journey from a humble beginning to becoming one of the most iconic figures in American music is nothing short of inspirational. His net worth, which estimated to be around $25 million as of 2024. reflects a career that is as diverse as it is prolific.
Early Life and Musical Beginnings
Humble Origins
Willie Hugh Nelson was born during the Great Depression. a time of significant economic hardship in the United States. Raised by his grandparents. Nelson found solace and inspiration in music from an early age. His grandmother taught him to play the guitar. setting the stage for what would become an illustrious career.
First Steps in Music
Nelson's initial foray into the music industry was fraught with challenges. He moved to Nashville, Tennessee, to pursue his dreams, but success did not come . Working as a songwriter, Nelson penned hits for other artists. which helped him gain a foothold in the competitive music scene. His songwriting skills contributed to his early earnings. laying the foundation for his net worth.
Rise to Stardom
Breakthrough Albums
The 1970s marked a turning point in Willie Nelson's career. His albums "Shotgun Willie" (1973), "Red Headed Stranger" (1975). and "Stardust" (1978) received critical acclaim and commercial success. These albums not only solidified his position in the country music genre. but also introduced his music to a broader audience. The success of these albums played a crucial role in boosting Willie Nelson net worth.
Iconic Songs
Willie Nelson net worth is also attributed to his extensive catalog of hit songs. Tracks like "Blue Eyes Crying in the Rain," "On the Road Again," and "Always on My Mind" have become timeless classics. These songs have not only earned Nelson large royalties but have also ensured his continued relevance in the music industry.
Acting and Film Career
Hollywood Ventures
In addition to his music career, Willie Nelson has also made a mark in Hollywood. His distinctive personality and on-screen presence have landed him roles in several films and television shows. Notable appearances include roles in "The Electric Horseman" (1979), "Honeysuckle Rose" (1980), and "Barbarosa" (1982). These acting gigs have added a significant amount to Willie Nelson net worth.
Television Appearances
Nelson's char
Characterization and the Kinetics of drying at the drying oven and with micro...Open Access Research Paper
The objective of this work is to contribute to valorization de Nephelium lappaceum by the characterization of kinetics of drying of seeds of Nephelium lappaceum. The seeds were dehydrated until a constant mass respectively in a drying oven and a microwawe oven. The temperatures and the powers of drying are respectively: 50, 60 and 70°C and 140, 280 and 420 W. The results show that the curves of drying of seeds of Nephelium lappaceum do not present a phase of constant kinetics. The coefficients of diffusion vary between 2.09.10-8 to 2.98. 10-8m-2/s in the interval of 50°C at 70°C and between 4.83×10-07 at 9.04×10-07 m-8/s for the powers going of 140 W with 420 W the relation between Arrhenius and a value of energy of activation of 16.49 kJ. mol-1 expressed the effect of the temperature on effective diffusivity.
Artificial Reefs by Kuddle Life Foundation - May 2024punit537210
Situated in Pondicherry, India, Kuddle Life Foundation is a charitable, non-profit and non-governmental organization (NGO) dedicated to improving the living standards of coastal communities and simultaneously placing a strong emphasis on the protection of marine ecosystems.
One of the key areas we work in is Artificial Reefs. This presentation captures our journey so far and our learnings. We hope you get as excited about marine conservation and artificial reefs as we are.
Please visit our website: https://kuddlelife.org
Our Instagram channel:
@kuddlelifefoundation
Our Linkedin Page:
https://www.linkedin.com/company/kuddlelifefoundation/
and write to us if you have any questions:
info@kuddlelife.org
UNDERSTANDING WHAT GREEN WASHING IS!.pdfJulietMogola
Many companies today use green washing to lure the public into thinking they are conserving the environment but in real sense they are doing more harm. There have been such several cases from very big companies here in Kenya and also globally. This ranges from various sectors from manufacturing and goes to consumer products. Educating people on greenwashing will enable people to make better choices based on their analysis and not on what they see on marketing sites.
Micro RNA genes and their likely influence in rice (Oryza sativa L.) dynamic ...Open Access Research Paper
Micro RNAs (miRNAs) are small non-coding RNAs molecules having approximately 18-25 nucleotides, they are present in both plants and animals genomes. MiRNAs have diverse spatial expression patterns and regulate various developmental metabolisms, stress responses and other physiological processes. The dynamic gene expression playing major roles in phenotypic differences in organisms are believed to be controlled by miRNAs. Mutations in regions of regulatory factors, such as miRNA genes or transcription factors (TF) necessitated by dynamic environmental factors or pathogen infections, have tremendous effects on structure and expression of genes. The resultant novel gene products presents potential explanations for constant evolving desirable traits that have long been bred using conventional means, biotechnology or genetic engineering. Rice grain quality, yield, disease tolerance, climate-resilience and palatability properties are not exceptional to miRN Asmutations effects. There are new insights courtesy of high-throughput sequencing and improved proteomic techniques that organisms’ complexity and adaptations are highly contributed by miRNAs containing regulatory networks. This article aims to expound on how rice miRNAs could be driving evolution of traits and highlight the latest miRNA research progress. Moreover, the review accentuates miRNAs grey areas to be addressed and gives recommendations for further studies.
Natural farming @ Dr. Siddhartha S. Jena.pptxsidjena70
A brief about organic farming/ Natural farming/ Zero budget natural farming/ Subash Palekar Natural farming which keeps us and environment safe and healthy. Next gen Agricultural practices of chemical free farming.
Diabetes is a rapidly and serious health problem in Pakistan. This chronic condition is associated with serious long-term complications, including higher risk of heart disease and stroke. Aggressive treatment of hypertension and hyperlipideamia can result in a substantial reduction in cardiovascular events in patients with diabetes 1. Consequently pharmacist-led diabetes cardiovascular risk (DCVR) clinics have been established in both primary and secondary care sites in NHS Lothian during the past five years. An audit of the pharmaceutical care delivery at the clinics was conducted in order to evaluate practice and to standardize the pharmacists’ documentation of outcomes. Pharmaceutical care issues (PCI) and patient details were collected both prospectively and retrospectively from three DCVR clinics. The PCI`s were categorized according to a triangularised system consisting of multiple categories. These were ‘checks’, ‘changes’ (‘change in drug therapy process’ and ‘change in drug therapy’), ‘drug therapy problems’ and ‘quality assurance descriptors’ (‘timer perspective’ and ‘degree of change’). A verified medication assessment tool (MAT) for patients with chronic cardiovascular disease was applied to the patients from one of the clinics. The tool was used to quantify PCI`s and pharmacist actions that were centered on implementing or enforcing clinical guideline standards. A database was developed to be used as an assessment tool and to standardize the documentation of achievement of outcomes. Feedback on the audit of the pharmaceutical care delivery and the database was received from the DCVR clinic pharmacist at a focus group meeting.
WRI’s brand new “Food Service Playbook for Promoting Sustainable Food Choices” gives food service operators the very latest strategies for creating dining environments that empower consumers to choose sustainable, plant-rich dishes. This research builds off our first guide for food service, now with industry experience and insights from nearly 350 academic trials.
2. Stream and river ecoSyStemS
• Water in brooks, streams, and rivers
may flow from meltingmelting ice or snow or
come from a spring
• Each stream of water that joins a
larger stream is called a tributarytributary
• As more tributaries join, the stream
gets strongerstronger and becomes a river
4. Pond and Lake ecoSyStemS
Life Near Shore
Littoral zone: area of water closest to the edge of
a lake or pond
Sunlight reaches bottom of littoral zone,
making it possible for algae and plants to grow
Beneath surface of water: algae
Near shore: cattails and rushes
Floating plants: water lilies
Small animals: snails, insects, clams, worms,
frogs, salamanders, turtles, fishes, and
snakes
6. Life Away from Shore
Open-water zone: area of lake or pond that
extends from littoral zone across top of water
Goes as deep as sunlight can reach
Home to bass, trout, and other fishes
Many photosynthetic plankton live in this area
7. Deep-water zone:
beneath open-water
zone where no
sunlight can reach
Catfish, carp,
worms,
crustaceans, fungi,
and bacteria live
here
These organisms
often feed on dead
organisms that sink
from above
8. Three Zones of a Pond or Lake
Open water zone
Deep water zone
9. Wetland Ecosystems
Wetland: area that is sometimes
underwater or whose soil contains a great
deal of moisture
Play important role in flood control—soaks
up large amounts of water during heavy
rains
Water in wetlands moves deeper into
ground, so helps replenish underground
water supplies
10. Marshes
Treeless wetland ecosystem where
plants, such as grasses, grow
Common marsh plants: grasses, reeds,
bulrushes, and wild rice
Common animals: muskrats, turtles,
frogs, and birds
11. Swamps
Swamp: wetland ecosystem in which
trees and vines grow
Found in low-lying areas and beside
slow-moving rivers
Most swamps are flooded part of
the year, depending on rainfall
Swamp plants: poison ivy, orchids,
water lilies
Swamp animals: fishes, snakes, and
birds
12. From a Lake to a Forest
Did you know that a lake or pond can
disappear?
Water entering a standing body of
water usually carries nutrients and
sediment—these settle at the bottom
of the lake
Dead leaves and decaying matter
also settle at bottom of pond or lake
Bacteria decomposes this material
13. This process uses oxygen in the water
Loss of oxygen affects the kinds of animals
that survive in a pond or lake
14. Over time, pond or lake fills with sediment
and plants start to grow in new soil
Eventually, the wetland can become a
forest
15. Marine ecosysteMs
• Shaped by abiotic factors: water,
temperature, water depth, amount of
sunlight
• Very diverse: ocean contains whales, the
largest animals on Earth
• Tiny plankton form the base of the ocean’s
food chains
16. • Temperature
– Temperature of ocean water
decreases as depth of water
increases
– Surface zone is warm, top
layer; surface currents mix the
water
– Thermocline in this zone,
temperature decreases with
increased depth
– Deep zone bottom layer of
water; averages a chilling 2
degrees C
17. Get in the Zone!
• Major ocean
zones: intertidal,
neritic, oceanic,
benthic
• Intertidal Zone
place where ocean
meets land and is
exposed to air for
part of the day
18. • Neritic Zone
ocean floor slopes
downward, water is
warm and receives
lots of sunlight
–Corals, sea
turtles, fish,
dolphins
19. • Oceanic Zone sea
floor drops sharply,
deep water
– Animals often get food
from material that
sinks down from
ocean surface
20. • Benthic Zone
ocean floor; does
not get much
sunlight; very deep
–Bacteria get
energy from
chemicals that
escape from
thermal vents
on ocean floor
21. A Closer Look
• Through
evaporation, the
ocean provides most
of the water that
makes up Earth’s
precipitation
22. Intertidal Areas
• Coral Reefs most found in neritic zone
• Estuaries area where fresh water from
streams and rivers spills into ocean
– Fresh water and salt water are always mixing, so
amount of salt in water is always changing
23. • The Sargasso
Sea found in
middle of Atlantic
Ocean
–Contains floating
rafts of algae
called
sargassum
24. • Polar Ice the
Artic Oceans and
the ocean around
Antarctica
–Ice water rich in
nutrients, which
support large
numbers of
plankton
