Search results for "Aquatic ecosystem" - New World Encyclopedia

. While both groups of amphibians have aquatic larva, adults of true salamanders ... , they have a biphasic life cycle with aquatic larvae, with four pairs ...

from one species to another within an ecosystem. A food chain describes ... of nutrients and energy. In a healthy ecosystem, each level flourishes ...

Limnology is a discipline that concerns the study of inland aquatic ... have had a long fascination with inland aquatic ecosystems, which they have ...

Odonates contribute value to the ecosystem and to humans. Ecologically ... (Grzimek et al. 2004). Odonates are aquatic or semi-aquatic as juveniles ...

However, a larger function for the ecosystem also is served in recycling ... In aquatic systems, organic matter can be differentiated into particulate ...

brackish, saltwater, and freshwater aquatic ecosystems, they had a relatively ... to inhabit and dominate almost all known aquatic ecosystems, both freshwater ...

Ladoga at an acceptable level for the aquatic ecosystem, precipitation also ... also boasting an extremely diverse aquatic ecosystem. Over 48 different ...

protects water quality. It thus forms an ecosystem that is filled with a rich ... Such toxins can accumulate in the tissues of many species of aquatic ...

Daphnia is a genus of small, aquatic, mostly freshwater crustaceans ... Daphnids, which are mostly planktonic, live in various aquatic environments ...

Gastrotricha is a phylum of microscopic, free-living, aquatic worms ... Occurring in large concentrations, gastrotrichs are integral to aquatic ...

for sale, fish, shellfish, or other aquatic organisms. The activity ... is expanded to include shellfish (aquatic invertebrates such as mollusks ...

Salamanders not only provide benefit to their ecosystem through their ... Salamanders generally have a biphasic life cycle, typified by an aquatic ...

A rich and varied aquatic habitat is supported in the Arabian Sea ... is dramatically reduced, resulting in mass aquatic mortality. ...

Eutrophication is the enrichment of an aquatic ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both ...

to the delicate balance of the natural ecosystem (Taylor et al. 2003). Insects ... , and others that selectively feed on aquatic insects, insect larvae, ...

however, dredging may adversely affect aquatic ecosystems. ... Dredging can create disturbance to aquatic ecosystems, often with ...

values as well, contributing to the ecosystem and directly or indirectly ... Larvae can be found in almost any aquatic or semiaquatic habitat, ...

and near-microscopic, multicellular aquatic animals. The name rotifer ... Rotifers are important in aquatic food chains, being widely distributed ...

Capybara is the common name for a large, semi-aquatic rodent, Hydrochoerus ... Capybaras provide value for the ecosystem as part of food chains, ...

naming of the Southern Ocean as its own aquatic body. For those scientists ... Another important threat to the marine ecosystem is unregulated overfishing ...

release of large numbers of mink in the ecosystem generally has negative ... of food chains, preying on a wide range of aquatic and waterside animals, including ...

a breeding ground for maggots. Polluted aquatic ecosystems likewise can ... either eucephalic or hemicephalic and often aquatic. #Suborder Brachycera ...

terrestrial, some mites can be found in aquatic (freshwater and marine) ... Most aquatic mites are predatory, feeding on crustaceans and larvae ...

Ducks are mostly aquatic birds and may be found in both freshwater ... benefits. They are integral to ecosystem food chains, are farmed ...

A wetland is a transitional environment between permanently aquatic ... "Wetlands are lands transitional between terrestrial and aquatic ...

in the Oligocene. Choristodera, a group of semi-aquatic, crocodile-like, diapsid (archosauromorph?) reptiles that had originated in the Jurassic, possibly ...

environment between permanently aquatic and terrestrial environments that shares characteristics of both environments and where water, which ...

of human activities on terrestrial and aquatic ecosystems, and develop ... whether at the population, community, or ecosystem level, and of the relationships ...

An otter is any member of 13 extant species of semi-aquatic and aquatic ... to feed on mollusks, crabs and other small aquatic animals. ...

Some authors use separate terminology for aquatic forms, such as stygobites ... the ability to sense vibrations in water). Aquatic troglobites (or stygobites ...

* Ecosystem ecology, which studies the flows of energy and matter ... , tropical ecology, desert ecology, aquatic ecology, terrestrial ecology ...

world's largest tropical wetlands ecosystem and is largely dependent ... project would devastate the river’s ecosystem, therefore impacting the ...

The bay forms a complex ecosystem that includes important habitats ... bottom of the bay. The resulting loss of aquatic vegetation has depleted ...

population. The dry transitional savanna ecosystem provides for such mammals ... only protected part of the Athi-Kapiti ecosystem, making up less than 10 ...

has declined significantly and much of its aquatic life, including native fish ... carp gudgeon, to name a few, and other aquatic species such as the Murray ...

Dragonflies provide important values for the ecosystem and for humans ... larvae, known as "nymphs," are aquatic. Dragonflies are valued ...

they are integral in food chains, consuming aquatic invertebrates (particularly insects) and amphibians (tadpoles), while being consumed by birds ...

Hydroelectric projects can be disruptive to surrounding aquatic ecosystems ... than the pre-dam water, which can change aquatic faunal populations, including ...

flowers, shoots, fruits, buds, and even some aquatic plant fruits and insects (Thompson 2002). The black colobus prefers seeds, although it also feeds ...

are never truly independent of an ecosystem; groups or populations ... ===The ecosystem concept=== Ecosystem The first principle of ecology ...

Infauna. Infauna are aquatic animals that live within the bottom substratum rather than on its surface. Bacteria and microalgae may also live ...

because of the high salinity. The only aquatic animals able to live in ... Brine Shrimp]. Great Salt Lake Ecosystem Program. Retrieved January ...

The aquatic vegetation includes reeds, rushes, and papyrus, which ... A fine and extensive natural wetlands ecosystem, they developed over thousands ...

they are vital components in many terrestrial and aquatic food chains, consuming rodents, fish, frogs, and eggs, and being consumed by foxes, coyotes ...

presence also assists in the monitoring of ecosystem health. ... moving patellogastropods are vulnerable to aquatic predators, and at low tide ...

Crocodiles (both family and order) are large, primarily aquatic reptiles ... crocodiles also provide benefit for the ecosystem and for humans. Ecologically ...

As a group, the ray-finned fish play a huge role not only in aquatic ecosystems, both marine and freshwater, where they serve as both prey and ...

Leeches generally are aquatic and live in freshwater environments ... Leeches provide values to the ecosystem and to humans. Ecologically ...

Penguin (PEN-gwin or PENG-gwin) is the common name for any of the ... on their backs camouflages them from aquatic predators from above. ...

whereby living organisms add value to the ecosystem, and humans, while also ... rich plants (such as yellow water lily and aquatic liverwort), fresh animal ...

1996, The Boundary Waters Wilderness ecosystem. (Minneapolis, Minn: University ... characterized by adaptation to a changing ecosystem. Native copper was an important ...

montane forests, dry forests, savannahs, and aquatic ecosystems. Its wide diversity of species includes black rhinoceros, elephant, cheetah, lion, leopard ...

nearly all habitats, including arboreal, aquatic, and terrestrial niches ... skin and frogs those members that are aquatic or semi-aquatic with slender ...

They produce adhesive eggs that attach to aquatic vegetation. The eggs hatch ... quot; Goldfish]. Federation of British Aquatic Societies Retrieved April ...

pythons (Liasis fuscus) are essentially aquatic for about six months of ... late 1990s, which has damaged the local ecosystem. More than 300 have been ...

Coral reef is the term for any fully marine, underwater ecosystem ... values for human beings, delivering ecosystem services to tourism, fisheries ...

*Stop the introduction and spread of aquatic invasive species by enacting ... species have invaded the Great Lakes ecosystem from around the world, ...

Loon is the common name for fish-eating, aquatic birds comprising ... group also provides a function for the ecosystem and for humans. Ecologically ...

The tapir as a group provides a value for the ecosystem and for humans at the same time that it advances its own individual purpose of maintenance ...

renewal created a diverse and rich river ecosystem. This system of self-renewal ... the Upper Mississippi River's ecosystem if it is not stopped. ...

simple invertebrate animals found exclusively in aquatic, mostly marine, environments. Cniderians comprise corals, sea anemones, jellyfish, sea pens ...

they provide a value function for the ecosystem and for human beings. Ecologically ... only a few specialized parasitic groups are aquatic. * Predators or ...

it also fulfills a larger purpose for the ecosystem and for humans. Krill are ... In providing for a very rich ecosystem, these small creatures also ...

Basidiomycota are very important for the ecosystem and for humans ... sexual and asexual, and terrestrial and aquatic forms (Swann and Hibbert ...

and rays. The intricate harmony of the ecosystem is exhibited in the fact ... mollusk class Bivalvia (or Pelecypoda), an aquatic group that also includes ...

natural resources, etc.), ecosystems (aquatic, terrestrial, wetland, etc ... a key factor in sustaining the planetary ecosystem. The thin layer of gases ...

Both land-dwelling and aquatic mammals undergo estivation. Until recently no primate, and no tropical mammal was known to estivate. However, ...

fishing is applied to catching such other aquatic animals as shellfish, squid ... is affected by the constantly changing aquatic environment, fishing requires ...

seen on mountainsides, and moose feed on the aquatic plants of the many small lakes and swamps. Despite human impact on the area, Denali accommodates ...

their biomass is deposited in anaerobic aquatic environments, where low ... quickly destroys the peat swamp ecosystem and replaces it with meandering ...

time, professional position, as a junior aquatic biologist. ... the chemicals' impact on the entire ecosystem. In fact, she concludes ...

dam may adversely affect the area's ecosystem and destabilize geological ... plant designs that could have lower impacts on aquatic life. ...

The Esox genus provides important values for humans and the ecosystem. The pike, pickerel, and muskellunge are all popular fish for angling, ...

its high salinity means no fish or macroscopic aquatic organisms can live in it, though minuscule quantities of bacteria and microbial fungi are ...

play a key role in maintaining a healthy ecosystem as they bring nutrients ... species, which feed on terrestrial and aquatic insects, amphipods, and ...

the many natural and man-made lakes live aquatic plants and the animals that ... Plains must be adapted for the grassland ecosystem and extremes of climate. ...

(including snakes and primates) and aquatic life (including crocodiles and amphibians). ==History== [[Image:Afryka 1890.jpg|right|thumb|right ...

are widespread and very essential for the ecosystem. It has been estimated ... cetaceans and sea snakes have a completely aquatic lifestyle and many invertebrate ...

Dimetrodon, the winged pterosaurs, and the aquatic ichthyosaurs, plesiosaurs ... -that is, land-bound--rather than aquatic or aerial, habitat. ...

quot;]--Facility shared by Great Lakes Aquatic Ecosystem Research Consortium. *[http://www.oardc.ohio-state.edu/missvis.asp"Ohio Agricultural ...

so forth, but also provide value for the ecosystem and for human beings. As ... some early mammalian groups evolved into aquatic forms. Certainly, wherever ...

* Benthic sediment buildup causes biological damage and reduces aquatic ... detrimental to the region's ecosystem because the Yangtze River ...

as the Gran Chaco region of South America. Aquatic plants thrive in the wetlands ... In central Argentina the pampas are a true tallgrass prairie ecosystem ...

#039;s water quality and terrestrial and aquatic ecosystems measure close to ideal, while the city's socioeconomic parameters (traffic, ...

remaining biomass is needed to maintain ecosystem functions and diversity ... (sewage sludge, manure, waste lagoons), aquatic sediments, wet soils, buried ...

red deer and pine marten are less so. Aquatic wild-life - such as species ... connections to preserve remnants of the ecosystem that once covered the island. ...