Sentences with phrase «in habitat conditions»

Seals, walrus and polar bears are much more flexible and resilent to changes in habitat conditions than most modern biologists give them credit for and consequently, it will be fascinating to see how the ice will change over the coming months and how the animals will respond.

Not exact matches

The Plan merely calls on forestry companies operating in caribou ranges to prepare spatial harvest sequences within their Forest Management Plans to meet caribou habitat requirements, and states that Alberta Forestry may impose additional terms and conditions into harvesting plans and operating ground rules (at pp 49 - 52).
Specifically, Commonwealth environmental water was released from Hume Dam to support in - channel, wetland and low elevation floodplain habitat along the length of the River Murray to improve the condition and promote the migration of native fish species; support waterbird habitat and breeding events; and, mobilise and export salts from the River Murray system.
The watering action was also expected to support improvement in the diversity and condition of frogs, fish, turtles and waterbird populations through maintaining suitable aquatic habitat.
In addition to the volume released from Hume Dam, return flows and the Commonwealth's 151 GL of held South Australian allocation were delivered directly to the South Australian border to meet environmental demands in the Lower River Murray, particularly for maintaining connectivity between the Lower Lakes and Coorong, and provide suitable habitat conditions (both salinity and water levels) in the Coorong for estuarine fish and vegetation specieIn addition to the volume released from Hume Dam, return flows and the Commonwealth's 151 GL of held South Australian allocation were delivered directly to the South Australian border to meet environmental demands in the Lower River Murray, particularly for maintaining connectivity between the Lower Lakes and Coorong, and provide suitable habitat conditions (both salinity and water levels) in the Coorong for estuarine fish and vegetation speciein the Lower River Murray, particularly for maintaining connectivity between the Lower Lakes and Coorong, and provide suitable habitat conditions (both salinity and water levels) in the Coorong for estuarine fish and vegetation speciein the Coorong for estuarine fish and vegetation species.
In addition to this volume released from Hume Dam and the volume approved for the Coorong, return flows and the Commonwealth's 134 GL of held South Australian allocation were delivered directly to the South Australian border for meeting environmental demands in the Lower River Murray, particularly for maintaining connectivity between the Lower Lakes Coorong and providing suitable habitat conditions (salinity and water levels) in the Coorong for estuarine fish and vegetation specieIn addition to this volume released from Hume Dam and the volume approved for the Coorong, return flows and the Commonwealth's 134 GL of held South Australian allocation were delivered directly to the South Australian border for meeting environmental demands in the Lower River Murray, particularly for maintaining connectivity between the Lower Lakes Coorong and providing suitable habitat conditions (salinity and water levels) in the Coorong for estuarine fish and vegetation speciein the Lower River Murray, particularly for maintaining connectivity between the Lower Lakes Coorong and providing suitable habitat conditions (salinity and water levels) in the Coorong for estuarine fish and vegetation speciein the Coorong for estuarine fish and vegetation species.
A total of 367 GL of Commonwealth environmental water was released from Hume Dam to support in - channel, wetland and low elevation floodplain habitat throughout the River Murray for improving the condition, movement and recruitment of native fish — both silver (critically endangered under the Environment Protection and Biodiversity Conservation Act 1999) and golden perch were detected spawning in the Mid Murray in response to flow variability; improve riparian and wetland vegetation condition; and contribute to the managed export of salt from the River Murray system.
In particular, the delivery of additional environmental water is expected to support on - going improvement in the condition and extent of the aquatic herb known as Ruppia tuberose which provides critical habitat for fish and invertebrate species in the Coorong Southern LagooIn particular, the delivery of additional environmental water is expected to support on - going improvement in the condition and extent of the aquatic herb known as Ruppia tuberose which provides critical habitat for fish and invertebrate species in the Coorong Southern Lagooin the condition and extent of the aquatic herb known as Ruppia tuberose which provides critical habitat for fish and invertebrate species in the Coorong Southern Lagooin the Coorong Southern Lagoon.
The largest coffee companies in the world control this category, and do little, if anything, to make sure the coffee they buy is produced under conditions that protect farmland, natural habitat, biodiversity, or the farmers that grow it.
Environmental water contributed to in - stream variable base flows in support of native fish condition and movement, native vegetation condition, hydrological connectivity and the maintenance of aquatic habitat conditions.
They played in these conditions as skillfully as if their natural habitat had been Chavez Ravine, not the flatlands alongside the Nimitz Freeway.
And the return to ocean conditions last seen in the Ediacaran period more than 540 million years ago — when jellies last ruled the seas — has been a boon for certain fishes in habitats like the Benguela Current in the South Atlantic off Namibia in Africa, where jellyfish - eating gobies have replaced sardines in the food chain.
I go in and get facts about the wildlife, the people, the condition of the habitat.
Spawning habitat seems to be optimal in parts of the Frank Church Wilderness, and if these conditions can be described and quantified, they might be offered as a prescription for ailing salmon elsewhere.
The researchers found that the body condition of alligators found near wading bird nesting colonies was higher than those in similar habitat without active colonies, independent of a range of environmental variables.
During spaceflights, and in future habitats on the Moon or Mars, humans are or will be exposed to a condition of «microgravity,» in other words to a gravitational field much smaller compared to that present on Earth.
Rajesh Gopal, director of Project Tiger, defends the use of pugmarks as «in tune with the local conditions» and says that the technique will be refined as part of a $ 1.1 million project now under way to map all tiger habitats.
He adds: «Plants native to European habitats changed by humans had a head start: They have been spread more often, and the living conditions in their new homes were ideal.
«Aardvarks» fate points to worrying consequences for wildlife, due to climate change: Hot, dry conditions that are expected to become the new normal in this elusive African mammal's habitat, my prove disastrous..»
Thus, it has been difficult to establish confidence in whether specific avian traits — such as vocal learning, predatory behavior, or adaptations to aquatic or terrestrial habitats — reflect single or multiple independent origins and under what ecological conditions these events have occurred.
Most indicators of the state of biodiversity (covering species» population trends, extinction risk, habitat extent and condition, and community composition) showed declines, with no significant recent reductions in rate, whereas indicators of pressures on biodiversity (including resource consumption, invasive alien species, nitrogen pollution, overexploitation, and climate change impacts) showed increases.
Great - ape watchers may have become accustomed to reading about habitat loss and population declines, and indeed, researchers have previously engaged in a range of site - specific efforts and landscape surveys aimed at assessing the decline of suitable environmental conditions for African great apes.
The results of the study show that tetrapod diversity decreased after the rainforest collapse and the onset of drier conditions, largely due to the reduction in suitable habitats for amphibians which needed wet environments to survive.
«Because climate change affects some environmental factors like precipitation and temperature but not others like day length, phenotypic plasticity could allow some species to persist in a habitat despite changing conditions and provide more time for them to evolve and migrate,» says co-author Zachariah Gezon, a Ph.D. student in Ecology and Evolutionary Biology at Dartmouth.
Despite diverse environmental conditions and methodological details, the results were very similar and reproducible in all four habitats.
It's «nice chemistry,» says marine chemist Jeffrey Bada of the University of California (UC), San Diego, but he is not convinced that hydrothermal vents, or any other likely habitat on early Earth, could have provided the conditions created in the lab: «The processes outlined are not likely to take place on a significant scale on the Earth or elsewhere.»
But, just as with mosquitoes, it is unclear whether changes in the climate and conditions of new habitats will be as conducive to the Lyme bacterium and other diseases as they are to ticks.
«Our studies clearly show that widespread species have a much more diverse intraspecific gene pool than species that are adapted to a specific habitat,» explains Dr. Jan Christian Habel of the Technical University in Munich, and he continues, «Once these animals — due to the fragmentation of their habitats — lose the opportunity to maintain this genetic diversity by means of exchange, they will no longer be able to adapt to changing environmental conditions in the future.»
«The species lives in habitats that are exposed to large changes in ocean conditions and have limited scope to avoid these changes.»
Pacific salmon, flowering plants in North America and algae in the Mediterranean have all been documented as having moved farther north to find conditions closer to their former habitats.
Because the newly created genetic resource is so broad, representing distantly related rice species that have evolved in habitats throughout Asia, Africa, South America, and Australia, it enables researchers to zero - in on valuable sequences that have been preserved as the plants adapted to different growing conditions.
Shifting conditions off the West Coast are continuing this winter with the arrival of an El Nino climate pattern, which in the past have typically affected marine mammals, their habitat and the species they prey on.
Part of its success seems to be its ability to thrive in many differing habitats and climatic conditions.
Several reasonable explanations arise given these results: (1) all players were exercising, and exercise produces predictable changes in skin habitat conditions that are likely to affect bacterial communities over time; (2) players were acquiring microbial transients from the built environment; and (3) players were coming into repeated physical contact with their teammates and those from opposing teams, often using the sampled area of their upper arms, and potentially sharing portions of their skin microbiomes.
Relict habitats (remnants of the last Ice Age more than 10 000 years ago) in Portugal are officially recognised as being in an inadequate condition and in decline.
The data for this report comes from over one hundred committed volunteers who participate in the Xerces Society's annual Western Monarch Thanksgiving Count, by monitoring the butterflies» population size and habitat condition each fall around the Thanksgiving holiday.
Perhaps not really surprising considering these mountains encompass a diversity of terrestrial habitats which vary widely in geology and soil, exposure time and microclimatic conditions.
In particular, extreme weather events that lead to habitat destruction and large wildfires provide ideal conditions for invasive predators like feral cats and red foxes to move in and decimate native faunIn particular, extreme weather events that lead to habitat destruction and large wildfires provide ideal conditions for invasive predators like feral cats and red foxes to move in and decimate native faunin and decimate native fauna.
«There have been a lot of recent changes — the advent of agriculture, shifts in diet, new habitats, climatic conditions — over the past 10,000 years, and we're using these data to look for those signals of very recent adaptation.»
Distinct snail (Physa) morphotypes from different habitats converge in shell shape and size under common garden conditions.
The flexible physiology of Barbary macaques in responding to extreme environmental conditions of their natural habitat may help shed light on the mechanisms that allowed our ancestors to thrive outside Africa, say researchers.
HBOI researchers and colleagues collected more than 1,500 video - polarimetry measurements from live fish from distinct habitats under a variety of viewing conditions, and have revealed for the first time that fish have an «omnidirectional» solution they use to camouflage themselves, demonstrating a new form of camouflage in nature — light polarization matching.
Wild seafood has the advantage that they are in their natural habitat under ideal conditions.
Both generally and in relation to their chosen animal, children consider how habitat, conditions and human activity contribute to the numbers of breeding animals.
The term climatic changes are linked to the change in the season or weather condition which largely affects the habitats of this globe.
Guinea pigs in larger habitats are more likely to run and play on their own time, which encourages good muscle tone and will help reduce the chance of fecal impaction, a condition that becomes more common in sedentary guinea pigs.
(3) the veterinarian is sufficiently acquainted with an animal being treated, whether through examination of the animal or timely visits to the animal's habitat for purposes of assessing the condition in which the animal is kept, to be capable of making a preliminary or general diagnosis of the medical condition of the animal being treated; and
The city of Fresno is situated near a major river that produces an abundant and diverse population of wildlife, whereby residents must learn to cohabitate with in order to preserve the natural conditions and habitats of this region.
When ammonia levels build up in an enclosed hamster habitat, it can become toxic and lead to respiratory problems in any hamsters that are exposed to these conditions.
On your El Fuerte River float trip this morning, you may see parrots, woodpeckers, kiskadees, kingfishers, doves, cormorants and other birds in their natural habitat (river and weather conditions permitting).
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