Articles with "population trends" as a keyword



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Camera trapping reveals trends in forest duiker populations in African National Parks

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Published in 2019 at "Remote Sensing in Ecology and Conservation"

DOI: 10.1002/rse2.132

Abstract: Bushmeat hunting is widely cited as cause for declines of wildlife populations throughout Africa. Forest duikers (Bovidae, Cephalophinae) are among the most exploited species. Whether current harvest rates imperil duikers is debated because of the… read more here.

Keywords: duiker populations; abundance; point; duiker ... See more keywords
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Bounded random walks as a null model for evaluating population trends

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Published in 2017 at "Population Ecology"

DOI: 10.1007/s10144-017-0574-5

Abstract: Management of wildlife and protection of endangered species depend on determination of population trends. Because population changes are stochastic and autoregressive, there is reason to believe that population trends might not be properly determined by… read more here.

Keywords: null model; bounded random; series; population trends ... See more keywords
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Population trends and public awareness of healthy and pathological ageing in India: A brief overview.

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Published in 2017 at "Asian journal of psychiatry"

DOI: 10.1016/j.ajp.2017.04.012

Abstract: India is poised to experience dramatic shifts in the age and makeup of its population. Specifically, projections havehighlighted an increase in both the percentage of the elderly and those suffering from dementia-related disorders.Previous studies have… read more here.

Keywords: awareness healthy; public awareness; healthy pathological; trends public ... See more keywords
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Range-wide monitoring of population trends for Rocky Mountain bighorn sheep

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Published in 2020 at "Biological Conservation"

DOI: 10.1016/j.biocon.2020.108639

Abstract: Abstract Species conservation requires monitoring and management that extends beyond the local population, yet studies evaluating population trends and management outcomes across the spatial range of a species remain rare. We conducted the first range-wide… read more here.

Keywords: range wide; rocky mountain; bighorn sheep; population trends ... See more keywords
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Detecting population trends with historical data: Contributions of volatility, low detectability, and metapopulation turnover to potential sampling bias

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Published in 2017 at "Ecological Modelling"

DOI: 10.1016/j.ecolmodel.2017.08.021

Abstract: Abstract In retrospective studies, discrete population units such as ponds may be resurveyed at a later time using only the set of initially occupied sites. There are possible confoundings that affect estimates of occupancy change… read more here.

Keywords: metapopulation; metapopulation turnover; detecting population; population trends ... See more keywords
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Population trends of seabirds at Stinker Point, Elephant Island, Maritime Antarctica

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Published in 2018 at "Antarctic Science"

DOI: 10.1017/s0954102018000135

Abstract: Abstract Available information about seabird breeding population trends on Stinker Point (Elephant Island, Maritime Antarctic Peninsula) is outdated by decades. This study reports current numbers of breeding species, and evaluates population trends over 28 years.… read more here.

Keywords: elephant island; point elephant; stinker point; population ... See more keywords
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Current contrasting population trends among North American hummingbirds

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Published in 2021 at "Scientific Reports"

DOI: 10.1038/s41598-021-97889-x

Abstract: As pollinators, hummingbirds play a critical role for both the function of ecological communities and in providing ecosystem services for people. To examine the conservation status of North American hummingbirds, we analyzed Breeding Bird Survey… read more here.

Keywords: contrasting population; american hummingbirds; north american; current contrasting ... See more keywords
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More winners than losers over 12 years of monitoring tiger moths (Erebidae: Arctiinae) on Barro Colorado Island, Panama

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Published in 2022 at "Biology Letters"

DOI: 10.1098/rsbl.2021.0519

Abstract: Understanding the causes and consequences of insect declines has become an important goal in ecology, particularly in the tropics, where most terrestrial diversity exists. Over the past 12 years, the ForestGEO Arthropod Initiative has systematically… read more here.

Keywords: barro colorado; population trends; panama; colorado island ... See more keywords
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Covariation in population trends and demography reveals targets for conservation action

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Published in 2021 at "Proceedings of the Royal Society B: Biological Sciences"

DOI: 10.1098/rspb.2020.2955

Abstract: Wildlife conservation policies directed at common and widespread, but declining, species are difficult to design and implement effectively, as multiple environmental changes are likely to contribute to population declines. Conservation actions ultimately aim to influence… read more here.

Keywords: covariation population; trends demography; demography; population trends ... See more keywords
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Wind farms affect the occurrence, abundance and population trends of small passerine birds: The case of the Dupont's lark

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Published in 2018 at "Journal of Applied Ecology"

DOI: 10.1111/1365-2664.13107

Abstract: Handling Editor: Ailsa McKenzie Abstract 1. The assessment of the effects of wind farms on bird populations is commonly based on collision fatality records. This could undervalue the effect of wind farms on small-sized birds.… read more here.

Keywords: wind; occurrence abundance; wind farms; population trends ... See more keywords
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Continental-scale determinants of population trends in European amphibians and reptiles.

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Published in 2019 at "Global change biology"

DOI: 10.1111/gcb.14739

Abstract: The continuous decline of biodiversity is determined by the complex and joint effects of multiple environmental drivers. Still, a large part of past global change studies reporting and explaining biodiversity trends have focused on a… read more here.

Keywords: habitat; change; population; population trends ... See more keywords