Persistence of a declining anuran species across its distribution. [PDF]
PLoS ONEInformation on a species' population dynamics, such as changes in abundance and distribution, can be used to identify declining populations and initiate conservation efforts and protections.
Erin L Koen +5 more
doaj +2 more sources
Evaluating camera survey methods for estimating wild turkey abundance
Wildlife Society BulletinAccurately estimating population parameters rests on methodological approaches that provide unbiased, cost‐effective estimates; however, assessing accuracy of estimates can be vexing as true abundance is rarely known.
Byron R. Buckley +3 more
doaj +2 more sources
Demography and Behaviour of Teinopodagrion oscillans (Odonata: Megapodagrionidae) in a Protected Area of the Colombian Andean Region [PDF]
InsectsThe demography and behaviour of Teinopodagrion oscillans was studied in a protected area in the Andean region of Colombia. Adult damselflies were individually marked, and using their recapture histories, we estimated survival, longevity, sex ratio, and ...
Fredy Palacino-Rodríguez +3 more
doaj +2 more sources
Apparent Survival of Territorial Golden Eagles Using Non-Invasive Genetic Profiling. [PDF]
Ecol EvolIn a novel study for the species, DNA was extracted from moulted feathers over 4 years involving 21% of the Scottish population of territorial golden eagles, and individuals' genetic profiles were analysed for apparent survival rates. Results showed sexual differences but not between two sub‐populations; very few cases of breeding dispersal were ...
Whitfield DP +4 more
europepmc +2 more sources
Global Ecology and Conservation, 2023 The Eastern Canada-West Greenland (EC-WG) bowhead whale (Balaena mysticetus) population is widely distributed across the eastern Canadian Arctic and across Baffin Bay to the western coast of Greenland.
Brooke A. Biddlecombe +4 more
doaj +1 more source
Contrasting Patterns of Inbreeding and Inbreeding Depression in Co-Occurring Spotted Turtle and Eastern Box Turtle Populations. [PDF]
Ecol EvolWe found that while spotted turtles had smaller population sizes, occupied smaller habitat patches, had smaller home ranges, and had higher baseline physiological stress levels than box turtles, the box turtle populations had much higher inbreeding coefficients than the spotted turtle populations.
Madden PK +4 more
europepmc +2 more sources
Weather Extremes in the Mediterranean Winter Are Associated With Reduced Apparent Survival and Delayed Initiation of Egg-Laying in a Migratory Raptor. [PDF]
Ecol EvolWe analysed capture‐recapture data of breeding Eurasian kestrels (Falco tinnunculus) in western Finland during 1985–2018 to study how environmental conditions in their boreal breeding areas and Mediterranean wintering areas affect adult survival rate and timing of laying.
Kujala I +3 more
europepmc +2 more sources
Continuous time-dependent individual covariates and the Cormack-Jolly-Seber model
Animal Biodiversity and Conservation, 2007 Covariantes continuas individuales dependientes del tiempo y el modelo de Cormack-Jolly-Seber El modelo de Cormack–Jolly–Seber proporciona el marco básico para analizar la supervivencia de animales en poblaciones abiertas utilizando datos de captura ...
S. J. Bonner, C. J. Schwarz
doaj +3 more sources
Basic and Applied Ecology, 2023 Species living in spatially structured populations require a network of interconnected habitat patches. Due to changes in forest management, this network of habitat patches has been lost for insect species inhabiting open spots within forests. We studied
Heiko Hinneberg +2 more
doaj +1 more source
The abundance of large, piscivorous Ferox Trout (Salmo trutta) in Loch Rannoch, Scotland [PDF]
PeerJ, 2016 Background Ferox Trout are large, long-lived piscivorous Brown Trout (Salmo trutta). Due to their exceptionally large size, Ferox Trout are highly sought after by anglers while their life-history strategy, which includes delayed maturation, multiphasic ...
Alastair Thorne +2 more
doaj +2 more sources