Results 51 to 60 of about 73,607 (172)

Changes in capture availability due to infection can lead to detectable biases in population-level infectious disease parameters [PDF]

PeerJ
Correctly identifying the strength of selection that parasites impose on hosts is key to predicting epidemiological and evolutionary outcomes of host-parasite interactions. However, behavioral changes due to infection can alter the capture probability of
Iris A. Holmes, Andrew M. Durso, Christopher R. Myers, Tory A. Hendry   +3 more
doaj   +2 more sources

Capture-mark-recapture analysis reveals survival correlates in Salamandrina perspicillata (Savi, 1821)

Amphibia-Reptilia, 2010
AbstractWe carried out a mark-recapture survival analysis of female Salamandrina perspicillata in two central Italian populations. Overall survival was similar in both populations (about 85-90% per year) and the estimated lifespan was about twelve years.
Antonelli, Damiano, Angelini, Claudio, Utzeri, Carlo   +2 more
openaire   +2 more sources

The Effect of Age on Survival Is Similar in Males and Females of an Aquatic Insect Species

Ecologies
Age is a critical intrinsic factor that influences the probability of survival of organisms on Earth. In many animals, the lifestyles and habitat occupancy of males and females are so different that the effect of age could be sex-dependent.
Abdeldjalil Youcefi, Hayat Mahdjoub, Rabah Zebsa, Amin Kahalerras, Hichem Amari, Abdelheq Zouaimia, Soufyane Bensouilah, Rassim Khelifa   +7 more
doaj   +1 more source

Long-term trends in the use of a protected area by small cetaceans in relation to changes in population status

Global Ecology and Conservation, 2014
The requirement to monitor listed species in European designated sites is challenging for long-lived mobile species that only temporarily occupy protected areas.
Barbara Cheney, Ross Corkrey, John W. Durban, Kate Grellier, Philip S. Hammond, Valentina Islas-Villanueva, Vincent M. Janik, Susan M. Lusseau, Kim M. Parsons, Nicola J. Quick, Ben Wilson, Paul M. Thompson   +11 more
doaj   +1 more source

Population size estimates based on the frequency of genetically assigned parent–offspring pairs within a subsample

Ecology and Evolution, 2020
Estimating population density as precise as possible is a key premise for managing wild animal species. This can be a challenging task if the species in question is elusive or, due to high quantities, hard to count.
Björn Müller, Moritz Mercker, Jörg Brün   +2 more
doaj   +1 more source

N-mixture models reliably estimate the abundance of small vertebrates

Scientific Reports, 2018
Accurate measures of species abundance are essential to identify conservation strategies. N-mixture models are increasingly used to estimate abundance on the basis of species counts.
Gentile Francesco Ficetola, Benedetta Barzaghi, Andrea Melotto, Martina Muraro, Enrico Lunghi, Claudia Canedoli, Elia Lo Parrino, Veronica Nanni, Iolanda Silva-Rocha, Arianna Urso, Miguel Angel Carretero, Daniele Salvi, Stefano Scali, Giorgio Scarì, Roberta Pennati, Franco Andreone, Raoul Manenti   +16 more
doaj   +1 more source

Fungal infection has sublethal effects in a lowland subtropical amphibian population

BMC Ecology, 2018
Background The amphibian chytrid fungus, Batrachochytrium dendrobatidis (Bd), has been implicated as a primary cause of decline in many species around the globe.
Laura A. Brannelly, Matthew W. H. Chatfield, Julia Sonn, Matthew Robak, Corinne L. Richards-Zawacki   +4 more
doaj   +1 more source

Application of network theory to mark recapture data allows insights into population structure of two Heliconius species [PDF]

Network Biology, 2015
By noting the spatial location of captured individuals mark-recapture studies create a collection of discrete events spread in space and time. This setup is appropriate for network modeling where the vertices (or nodes) are the points of capture and ...
Luciana L.F. de Lima, Gilberto Corso, Marcio Z. Cardoso   +2 more
doaj  

Evaluation of population densities of the common wolf spider Pardosa agrestis (Araneae: Lycosidae) in Hungarian alfalfa fields using mark-recapture

European Journal of Entomology, 2000
The absolute population density of adult Pardosa agrestis (Westring, 1862), the dominant epigeic spider species in many arable lands in Central Europe, was quantified in two alfalfa fields using a multiple mark-recapture method.
Balázs KISS, Ferenc SAMU
doaj   +1 more source

A comparison of linear transect and capture recapture methods results in Iranian Jerboa population density and abundance estimation in Mirabad plains, Shahreza

یافته‌های نوین در علوم زیستی, 2019
During a period from spring 2008 till fall 2010, Iranian Jerboa population abundance was estimated using distance (linear transect) and capture-recapture methods in the Mirabad plains near Shahreza city in Isfahan Province.
Morteza Naderi
doaj