Sentences with phrase «influence of habitat»

I would say that these studies, including the Bythotrephes study all point to the influence of habitat on predator prey interactions.
One little studied source of variation is the influence of habitat - specific feeding on mercury accumulation in lake fish.

Not exact matches

The new study shows that stochastic influences also play an important part in determining the location of young trees, i.e. the type of habitat in which they will grow, which again turns tree species into generalists.
«The increased rate of extinction in all habitats we are currently observing is attributable to the direct influence of humans, such as destruction of habitat, over-fishing and pollution.
From field studies of plants and animals, researchers have learned that habitat can influence morphology and behavior — particularly sexual selection — in ways that hasten or slow down speciation.
The habitat where species live presents many potential pressures that could have influenced the evolution of facial coloration.
However, while the absence of large predators may make it safer to walk on the forest floor, a more pressing influence is the rapid and unprecedented loss of Borneo's orangutan habitat.
The team is trying to understand life history traits of benthos at the initial stage and the influence of ocean currents in order to find out how these organisms expand their habitat and respond to environmental changes.
Our next steps will be to determine the role of habitat availability in influencing species responses as the climate changes.»
Sea ice is a crucial part of the ecosystems at both poles, providing habitat and influencing food availability for penguins, polar bears and other native species.
The body size of every species is largely influenced by the environmental conditions of the habitat where each species lives.
Dr Petra Schwendner, University of Edinburgh, corresponding author of the study said: «Until now, little was known about the influence of long - term confinement on the microorganisms that live inside habitats that may one day be used to travel to other planets, and whether the structure of the microbiota changes with time.
The study, «Landscape alterations influence differential habitat use of nesting Buteos and ravens within sagebrush ecosystem: Implications for transmission line development,» will appear in the August 2014 print issue of the journal The Condor.
The loss of breeding habitat, especially milkweed, due to the increased use of genetically modified herbicide - resistant crops, is an important factor influencing the decline of monarchs in the eastern United States.
Several sets of major influences are causing South Georgia's habitats to change.
Studies of the influence of natural and anthropogenic alterations or perturbations to habitat on habitat use by fish and value as measured by residence time, abundance, and range requirements.
Migration and habitat use behaviors and their influence on population dynamics of coastal fishes, diadromous species, recruitment dynamics, habitat ecology, ecosystem based approaches to fisheries management
Does your habitat and circle of influence (the people you spend the most time with) support and empower you?
Further, the influence of fire intensity on selection of habitat by cats was strongly affected by whether the habitats in question supported high densities of small mammals: sites in mammal - rich habitats that had recently been burnt at high intensity were especially strongly favoured.
However, the climate - induced shifts in habitat that occurred during the late Pleistocene, may have influenced a southward shift in the distributional range of gray foxes.
The myriad influences on the health of ecosystems (habitat loss, logging, urbanization, species introduction etc. as well as climate change) means that it is most likely here that the tipping point concept will be most applicable.
Identify how these factors will influence habitat suitability and distribution and the sustainability of fish and wildlife populations.
Franz Josef Land provides the most stable sea ice habitat for Barents Sea polar bears because it is largely beyond the influence of warm water influxes from the North Atlantic.
The length of the growing season in interior Alaska has increased 45 % over the last century7 and that trend is projected to continue.8 This could improve conditions for agriculture where moisture is adequate, but will reduce water storage and increase the risks of more extensive wildfire and insect outbreaks across much of Alaska.9, 10 Changes in dates of snowmelt and freeze - up would influence seasonal migration of birds and other animals, increase the likelihood and rate of northerly range expansion of native and non-native species, alter the habitats of both ecologically important and endangered species, and affect ocean currents.11
T. Rupp, S., M. Olson, L. G. Adams, B. W. Dale, K. Joly, J. Henkelman, W. B. Collins, and A. M. Starfield, 2006: Simulating the influences of various fire regimes on caribou winter habitat.
Beverly Law, co-author, said that misconceptions have influenced decisions in the past, «If our ultimate goal is to reduce greenhouse gas emissions, producing bioenergy from forests will be counterproductive...... Some of these forest management practices may also have negative impacts on soils, biodiversity and habitat.
A wide range of human activities affect marine biodiversity both in direct ways, such as exploitation by fisheries, habitat loss due to dredging, filling, and other construction influences, fishing gear impacts, and pollution, and in less direct ways, including effects of global change resulting in acidification, warmer waters, and coastal inundation.
Areas of high human influence that overlapped with suitable habitat were not considered tiger habitat.
The latest PNAS paper on the problems of 4000 mammals by Kevin Crooks et al, from Colorado State University, US, the University of Queensland, Australia, Sapienza Università di Roma in Italy and Conservation Science Partners indicates that anthropogenic influences on habitat exacerbate the risks of extinction on a global basis.
The responses of sea urchin larvae to ocean acidification may be influenced by habitat type, and may also be species specific, leading to the suggestion that some species are more robust to ocean change stressors than others (i.e. «winners versus losers»)[68].
Plant productivity influences the functioning of ecosystems [7], fuels the global food web [8], and is the foundation for some of the most diverse habitats in the world [9].
«The ability for us to have a broad influence and broad geographic scope is important for our habitat conservation work,» says Chris Smith, head of boreal conservation programs for Ducks Unlimited Canada.
Facing criticism, biofuels industry forms new lobby group to influence lawmakers (7/25/2008) Under attack by politicians, aid groups, and environmentalists for driving up food prices and fueling destruction of ecologically sensitive habitats, some of the world's largest agroindustrial firms have formed a lobby group to influence consumers and lawmakers to support continued subsidies for biofuel production, reports Reuters.
It remains to be seen how this judgment will influence developing regional strategies in relation to areas which are the subject of special habitats protection.
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