Results 31 to 40 of about 18,835 (151)

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

open access: yesEuropean 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 3 common methods for monitoring gopher tortoises

open access: yesWildlife Society Bulletin
Wildlife biologists choose monitoring techniques for threatened and endangered species that optimize time, resources, data quantity, and data quality.
Jeffrey M. Goessling   +2 more
doaj   +1 more source

RhabdomysPumilio_Mark-Recapture

open access: yes, 2018
Partial data from 9 years of a monthly mark-recapture study of African striped mice (Rhabdomys pumilio) from the Succulent Karoo in South Africa (females with estimable age only).
Chloé R. Nater (3318261)   +1 more
core   +2 more sources

Population abundance in arctic grayling using genetics and close‐kin mark‐recapture

open access: yesEcology and Evolution, 2021
Arctic Grayling (Thymallus arcticus) are among the most widely distributed and abundant freshwater fish in the Yukon Territory of Canada, yet little information exists regarding their broad and fine‐scale population structures or the number and size of ...
Samuel Prystupa   +3 more
doaj   +1 more source

The estimation of grizzly bear density through hair‐snagging techniques above the tree line

open access: yesWildlife Society Bulletin, 2015
Assessing grizzly bears' (Ursus arctos) abundance in the Arctic has been challenging because of the large scale of their movements and the remoteness of field locations.
Mathieu Dumond   +2 more
doaj   +1 more source

Monitoring Brazilian Cavefish: Ecology and Conservation of Four Threatened Catfish of Genus Ituglanis (Siluriformes: Trichomycteridae) from Central Brazil

open access: yesDiversity, 2021
We investigated population parameters using the capture-mark-recapture method (Ituglanis passensis and I. bambui) and visual censuses (I. epikasrticus and I. ramiroi).
Maria Elina Bichuette, Eleonora Trajano
doaj   +1 more source

The Analysis of Continuous Mark-Recapture Data [PDF]

open access: yes, 2006
The purpose of this thesis is to develop a general methodology for the analysis of continuously sampled data from open populations. The thesis consists of four parts and one appendix. The four parts may be read independently of each other.
Olsen, Inge Christoffer
core  

Mark–recapture and behavioral ecology: a case study of Cliff Swallows

open access: yesAnimal Biodiversity and Conservation, 2007
Marcaje-recaptura y ecología del comportamiento: el ejemplo de las golondrinas de frente canela El método de marcaje–recaptura y los métodos de análisis estadísticos asociados al mismo brindan un enorme potencial para investigar componentes del estado ...
C. R. Brown, M. B. Brown
doaj   +3 more sources

An approach to predicting linear trends in tagging-related mortality and tag loss during mark-recapture studies

open access: yesFrontiers in Ecology and Evolution
Using tags within a mark-recapture framework allows researchers to assess population size and connectivity. Such methods have been applied in coastal zone habitats to monitor salt marsh restoration success by comparing the movement patterns of Mummichogs
Jasper McCutcheon   +7 more
doaj   +1 more source

Challenges and opportunities for monitoring wild Nile crocodiles with scute mark-recapture photography

open access: yesKoedoe: African Protected Area Conservation and Science, 2018
The global conservation status of Nile crocodiles (Crocodylus niloticus) was last assessed in 1996. The species presents particular difficulty in monitoring because it can be cryptic, require expertise to handle, and caudal tail tags and transmitters are
Bernard W.T. Coetzee   +2 more
doaj   +1 more source

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