Sentences with phrase «human disturbance»

Other studies show the impacts of human disturbance since the 1600's, such as the effects of regional forest clearance and the resulting spread of invasive species.

Wild species are threatened with extinction as their habitats are destroyed by human disturbance.

To assess the effects of humans, they compared near - natural forests with those exposed to intensive human disturbance.

The bald eagle is extremely sensitive to human activity, and is found most commonly in areas free of human disturbance.

The study highlights the challenges faced by this species as its living area becomes ever more fragmented by human disturbance.

Reproduction among bald eagles in a remote national park in Minnesota was aided when their nests were protected from human disturbance, according to a study published today (Jan. 9, 2018) in the Journal of Applied Ecology.

The overall outcomes show increasing human disturbance in wind farm areas, resulting in lower wolf reproduction rates during construction and the first years of operation, as well as shifts in denning site locations of more than 2.5 km away from the wind farm.

«Climate warming and increasing human disturbances in high latitude mountain regions may further increase the pressure from introduced species in the coming years.»

In addition to proximity to transmission lines, ravens in the study area selected nest sites that were in close proximity to edges formed between sagebrush and land cover types associated with direct human disturbance such as introduction of non-native species, or fire.

Human disturbance negatively affects the pollination and seed dispersal of forest trees — an effect that can be observed in both tropical and temperate forests.

In contrast, these reefs recovered very quickly and the most likely reason for this is their relative isolation from direct human disturbance.»

To fill this gap, the researches mapped wilderness areas — biologically and ecologically intact landscapes that are free of any significant human disturbance — and compared their current map to the one produced using the same methods in the early 1990s.

The campaign is designed to teach the importance of reducing human disturbance to popular beaches and coasts on which declining shorebird species depend.

The sambars» behavior had been seen years earlier, when CSIS - member Neil Carter found that tigers in Nepal shifted their movements to the night to avoid human disturbances.

The interplay between environment and living organisms and between the organisms themselves play key roles in encouraging or discouraging diversity, as do human disturbances, predator - prey relationships, and other food web connections.

«I think the reduction of habitat definitely decreased their population size,» Hung says, noting something similar may explain the extinction of other outbreak species in North America, like the Rocky Mountain grasshopper in the western U.S. «Our study suggests that the combination of natural population size changes and human disturbances drove the rapid extinction of this bird.»

Of the 24 butterfly species researchers found at the sites, nine tolerate human disturbance and 15 are more discriminating.

The study, by the Universidade Federal de Alagoas in Brazil and the University of Bristol in the UK, was carried out on a pristine and remote island near Brazil where there are 3,600 green turtle nests (Chelonia mydas) per year and very little human disturbance.

Scientists have long struggled to explain why this is the case, invoking factors such as low temperatures at high elevations or human disturbance further down.

Ultimately, local human disturbance can be minimized when people are sensitive to needs of loons.

A new study from across British Columbia shows that fish diversity in seagrass meadows is lower where there is more human disturbance.

Ancient human disturbances may be skewing our understanding of Amazonian forests.

Given the very long lifespan of some Amazonian trees, with some living for more than 400 years, many forest plot sites may still be recovering from past human disturbances.

First discovered in 1643, Christmas Island has a history of minimal human disturbance which paired with its geographic isolation has led to a high level of endemism among its flora and fauna.

Floating islands covered with native plants serve as «biodiversity «life rafts»» for aquatic species, while aerial sculptures give hawks, owls, and eagles a safe place to roost and nest «in areas where taking off and landing on older power poles may result in electrocution, or areas where human disturbance may make nesting difficult.»

Sea level rise attributable to climate change (some is due to coastal subsidence due to human disturbance e.g. oil drilling) is more than half a foot over the past few decades.

According to Ferraro, protected areas are frequently located on low productivity lands, a characteristic that reduces the likelihood of human disturbance even in the absence of legal protection.

Prof Peres said: «Amazonian forest wildlife has been declining through a combination of habitat destruction, habitat degradation and overhunting since the 1950s, but until now there was a poor understanding of the status of wildlife populations in hunted forests that otherwise remain intact and free from other human disturbances.

Recoveries are strongly influenced by human disturbances such as overfishing and water pollution.

At the same time, their isolation may also make seamount communities especially sensitive to human disturbances such as fishing and mining.

«Our study shows that human disturbance negatively affects the early steps of the plant regeneration cycle, while the effects on the later regeneration processes vary greatly,» concludes Neuschulz, and she adds, «Our findings suggest that conservation efforts should prioritize the protection of animal pollinators and seed dispersers to maintain the regeneration potential of forest ecosystems in the future.»

For the research, wilderness is defined as «biologically and ecologically intact landscapes free of any significant human disturbance.»

Another step towards preserving this species is the separation of human activities from woodrat habitats to reduce human disturbance and secondary effects such as the presence of raccoons.

Previously it was used as a nesting site by Laughing Gulls, but due to increased human disturbance they abandoned nesting in 1990 and moved to a nearby caye.

In addition, they have also suffered from human disturbances and in the past, introduced black rats on Anacapa Island.

Abstract To assess the role of human disturbances in species» extinction requires an understanding of the species population history before human impact.

The results show this complex interaction chain is maintained by the relative lack of human disturbance in the better protected parts of the atoll, whereas in regions where native trees have been replaced by human - propagated palm trees, the chain readily breaks down.

Her research is centered on relationships between community dynamics and ecosystem processes in response to human disturbances.

«Nest protection is widely used for other raptors, including many hawks and falcons, to quarantine them from human disturbance, even from activities that we don't think would be all that disturbing, like camping, hiking or boating.

«Tropical forest degradation has been entirely defined by REDD + programs in terms of highly detectable forms of human disturbance, such as timber extraction and wildfires.

Her current work examines which bee species are most vulnerable to human disturbance, and explores in more detail whether both rare native bees and efficient pollination services can be restored by increasing the diversity of flowering plants.

In a study of New Jersey pine - oak forest, Winfree was surprised to find that bee populations are more abundant and diverse near sites of human disturbance — where backyard gardens or farm fields add to the range of blossoms available.

Furthermore, when infanticide does occur, it is strongly correlated with trauma caused by human disturbance.

«With release programs, often you breed up a small population of whatever animal and then you release them into the wild... and so one potential application of our research is to select individuals that are better able to cope with human disturbance, those that are less wary of humans, and release them into those areas that are more likely to experience human disturbance.»

Due to their shallow coastal habitat the aquatic plant is particularly prone to human disturbance — globally 24 per cent of seagrass species are now classified as threatened or near threatened.