Coastal Ecosystem
Coastal Ecosystem - Related Videos
01:17
What is an Ecosystem?
0 Views •
2019
Overview An ecosystem is the interaction between all abiotic and biotic factors in an environment and can be classified as terrestrial or aquatic. Terrestrial ecosystems are categorized based on the climate, including annual temperature, rainfall, and seasonality. Aquatic ecosystems are separated further into freshwater and marine, and then by depth, which influences water temperature and the amount of sunlight that penetrates the water. Terrestrial Ecosystems Terrestrial ecosystems are...
10:48
Nutrients in Aquatic Ecosystems
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University Nitrogen and phosphorus are essential plant nutrients found in aquatic ecosystems and both are monitored as a part of water quality testing because in excess amounts they can cause significant water quality problems. Nitrogen in water is measured as the common form nitrate (NO3-) that is dissolved in water and readily absorbed by photosynthesizers such as algae. The common form of phosphorus measured is phosphate...
11:37
Simultaneous DNA-RNA Extraction from Coastal Sediments and Quantification of 16S rRNA Genes and Transcripts by Real-time PCR
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Cited by 24 •
2016
A protocol to quantify bacterial 16S rRNA genes and transcripts from coastal sediments via real-time PCR is provided. The methodology includes the co-extraction of DNA and RNA; preparation of DNA-free RNA; and 16S rRNA gene and transcript quantification via RT-q-PCR, including standard curve construction.
03:06
The Soil Ecosystem
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2026
Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:Inorganic mineral matter, which constitutes about 40 to 45 percent of the soil volume.Organic matter, also known as humus, which makes up about 5 percent of the soil volume.Water and air, covering about 50 percent of...
05:58
Large Volume (20L+) Filtration of Coastal Seawater Samples
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Cited by 16 •
2009
This video documents large volume (≥20 L) filtration of microbial biomass, ranging between 0.22μm and 2.7μm in diameter, from the water column.
FAQs
These variables create shifting physical conditions across the land-ocean boundary. Tides alter water coverage, waves influence shoreline forces, salinity reflects the balance between seawater and freshwater, and freshwater inputs modify local conditions. Together, they affect sediment movement and help determine which habitats and organisms can persist in particular parts of a coastal ecosystem.
Sediment movement helps shape and reshape coastal habitats as waves, tides, and freshwater inputs redistribute material. Changes in sediment conditions can alter the physical setting occupied by organisms and influence how habitats such as estuaries, mangroves, salt marshes, and seagrass beds function. Tracking these movements therefore helps explain environmental change within coastal systems.
Coastal ecosystems connect organisms with physical processes that move and transform nutrients and carbon. These exchanges support food webs and help sustain communities across habitats, while nursery grounds provide important settings for the development of many species. Examining these relationships shows how changes in coastal conditions can affect ecological functions beyond a single habitat.
Researchers study how these pressures alter the shifting conditions, habitats, and ecological functions of coastal systems. Assessment can focus on effects on biodiversity, resource exchange, food webs, nutrient and carbon cycling, or nursery grounds. This broad perspective helps distinguish environmental change from the interconnected processes that normally shape coastal ecosystems.
They are useful when environmental change threatens habitats, biodiversity, or ecological functions. Information about physical conditions, species-supporting areas, and resource exchange can guide conservation priorities and restoration efforts. Such studies also help connect habitat protection with broader environmental goals, including maintaining food webs, supporting nursery grounds, and responding to habitat loss.
Research links coastal habitats with nursery grounds, food webs, and the physical processes that shape shorelines. That information can support fisheries management by clarifying the ecological settings that sustain species, while also informing strategies to protect shorelines and human communities. These applications show how environmental science connects ecosystem processes with practical decisions.