Results 21 to 30 of about 4,296,537 (216)

Reproductive declines in an endangered seabird: cause for concern or signs of conservation success? [PDF]

open access: yesPLoS ONE, 2011
Collection and analysis of demographic data play a critical role in monitoring and management of endangered taxa. I analyzed long-term clutch size and fledgling productivity data for California least tern (Sternula antillarum browni), a federally ...
Justin Schuetz
doaj   +1 more source

Habitat selection and potential fitness consequences of two early‐successional species with differing life‐history strategies

open access: yesEcology and Evolution, 2019
Habitat selection and its relationship to fitness is a fundamental concept in ecology, but the mechanisms driving this connection are complex and difficult to detect.
Daniel Catlin   +5 more
doaj   +1 more source

Evaluating the efficacy of carbachol at reducing corvid predation on artificial nests

open access: yesWildlife Society Bulletin, 2018
Nest predation often limits recovery of threatened and endangered birds, especially ground‐nesting species. Accordingly, a variety of techniques are used to reduce the impact of nest predation on listed species.
Matthew P. Brinkman   +2 more
doaj   +1 more source

The status of waterbird populations of Chhaya Rann Wetland Complex in Porbandar, Gujarat, India

open access: yesJournal of Threatened Taxa, 2019
The present investigation was undertaken to study the diversity of wetland birds in Chhaya Rann (Gujarati: Deserted land) wetland complex, situated in the urban setting of Porbandar City, in the western state of Gujarat, India.
Dhavalkumar Vargiya, Anita Chakraborty
doaj   +1 more source

18 month observational study on efficacy of intraarticular hyaluronic acid (Hylan G-F 20) injections under ultrasound guidance in hip osteoarthritis

open access: yesReumatismo, 2011
Objective: To evaluate the efficacy and the tolerability of viscosupplementation (VS) with hyaluronic acid (Hylan GF 20) in a cohort of 36 patients affected by hip osteoarthritis through a 18 months follow-up.
Cristiano Padalino   +7 more
doaj   +1 more source

Viscous fingering and dendritic growth under an elastic membrane [PDF]

open access: yes, 2016
We investigate the viscous fingering instability that arises when air is injected from the end of an oil-filled, compliant channel. We show that induced axial and transverse depth gradients foster novel pattern formation. Moreover, the steady propagation
Ducloue, Lucie   +3 more
core   +2 more sources

Assessing Southern Gulf of Mexico Resilience: Least Tern Nesting Failure During the COVID-19 Pandemic

open access: yesEstuaries and Coasts
The COVID-19 lockdown opened an opportunity to assess the response of animal populations to diminished human activities. As coastal dunes face many disturbances caused by increasing human activities, we assessed the effect of reduced human mobility on ...
J. Canales-Delgadillo   +9 more
semanticscholar   +1 more source

A remote marking device and newly developed permanent dyes for Wildlife research

open access: yesWildlife Society Bulletin, 2017
Noninvasive, safe, quick marking of individual animals using distinctive colors that are highly visible and persistent is a valuable methodology, but practical techniques and permanent safe dyes are lacking.
Patricia Baird   +2 more
doaj   +1 more source

Blood pressure and indices of glomerular filtration area in hypertensive and normotensive Prague rats [PDF]

open access: yes, 2000
The involvement of the kidney in the pathogenesis of hypertension has long been recognised, although the specific renal mechanisms underlying this phenomenon are still unknown.
Davis, J. M., Hellmann, H., Thurau, K.
core   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

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