Results 41 to 50 of about 1,383,255 (209)

Integrating counts from rigorous surveys and participatory science to better understand spatiotemporal variation in population processes

open access: yesMethods in Ecology and Evolution
Knowledge of variation in population processes (e.g. population growth) across broad spatiotemporal scales is fundamental to population ecology and critical for conservation decision‐making. Count data from rigorous surveys (e.g.
Qing Zhao   +6 more
doaj   +1 more source

Coffee berry borer Hypothenemus hampei (Coleoptera: Curculionidae: Scolytinae) removal in coffee plantations: a pest control service provided by birds [PDF]

open access: yes, 2014
Coffee is one of the most important crops in tropical regions of the world, where areas suited for its production are usually immersed within important biodiversity conservation regions.
Avelino, Jacques   +4 more
core  

Observing FRB 121102 with VERITAS; Searching for Associated TeV Emission

open access: yes, 2017
Fast radio bursts are bright, unresolved and short flashes of radio emission originating from outside the Milky Way. The origin of these mysterious outbursts is unknown, but their high luminosity and short duration has prompted much speculation.
Bird, Ralph
core   +1 more source

Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)

open access: yesAvian Conservation and Ecology, 2019
One third of bird species in North America need immediate conservation action. Effective management and recovery actions for species of conservation concern require accurate methods of monitoring species occurrence that limit the incidence of ...
Elisabeth F. Purves   +3 more
doaj  

Sacred Forest Degradation and Conservation: Resident Views of Nakpadjoak Forest in Togo, West Africa

open access: yesConservation
Historically protected by cultural traditions, sacred forests are now increasingly threatened by anthropogenic pressures, particularly in West Africa, where natural areas and wildlife populations have dwindled as human populations have increased ...
Brandon Franta   +3 more
doaj   +1 more source

Strategies for Representing Tone in African Writing Systems [PDF]

open access: yes, 1999
Tone languages provide some interesting challenges for the designers of new orthographies. One approach is to omit tone marks, just as stress is not marked in English (zero marking).
Bird, Steven
core   +1 more source

Using conspecific broadcast for Willow Flycatcher restoration

open access: yesAvian Conservation and Ecology, 2018
Willow Flycatcher (Empidonax traillii) populations have been in decline across the western United States for decades. California populations are especially vulnerable with fewer than 500 pairs remaining in the state.
Lynn N. Schofield   +4 more
doaj   +1 more source

Free Speech 2018: Free At Last sculpture [PDF]

open access: yes, 2018
Illustration of the Free at Last sculpture on Marsh Plaza at Boston ...
Monroe, Kate
core  

VERITAS observations of the Cygnus Region

open access: yes, 2017
The Cygnus region of the galaxy is one of the richest regions of gas and star formation and is the brightest region of diffuse GeV emission in the northern sky.
Bird, Ralph
core   +1 more source

Winter Bird Assemblages in Rural and Urban Environments: A National Survey [PDF]

open access: yes, 2015
Urban development has a marked effect on the ecological and behavioural traits of many living organisms, including birds. In this paper, we analysed differences in the numbers of wintering birds between rural and urban areas in Poland. We also analysed
A Cannon   +69 more
core   +4 more sources

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