Results 91 to 100 of about 2,239 (165)

Population ecology and the management of whale watching operations on a data‐deficient dolphin population

open access: yesEcology and Evolution, 2019
Whale watching is a popular commercial activity, producing socio‐ecological benefits but also potential long‐term effects on the targeted cetacean population.
Maddalena Fumagalli   +5 more
doaj   +1 more source

Statistical Methods Applicable to Selected Problems in Fisheries Biology and Economics [PDF]

open access: yes
The methods by which fishery scientists estimate fish population size are reviewed. These include tagging, cohort analysis, random sampling and catch per unit of effort indexes.
Swierzbinski, Joseph
core   +1 more source

M–SURGE: new software specifically designed for multistate capture–recapture models [PDF]

open access: yes, 2004
M–SURGE, al igual que su compañero, el programa U–CARE, se ha escrito con el propósito específico de manejar modelos multiestado de captura–recaptura, lo que a su vez permite mitigar las dificultades inherentes a los mismos (especificación de los modelos,
Choquet, R.   +4 more
core   +1 more source

Population dynamics of "Maja squinado" in the Ría de A Coruña (Galicia, NW Spain), using mark-recapture experiments [PDF]

open access: yes, 2002
8th Colloquium Crustacea Decapoda Mediterranea, 2-6 September 2002, Corfu ...
Bernárdez Martí, Cristina   +3 more
core  

An efficient two sample capture-recapture model with high recaptures [PDF]

open access: yes, 2013
This paper proposed an efficient two sample capture-recapture model (Ma) with high recaptures and compared it with the existing models like the model of no factor effect (Mo), behavioral response model (Mb) and the Petersen model (Ms), using simulated ...
Adams, Yusuf J., Jibasen, Danjuma
core  

Integrated population models: a novel analysis framework for deeper insights into population dynamics [PDF]

open access: yes, 2018
Integrated population models (IPMs) represent the single, unified analysis of population count data and demographic data. This modelling framework is quite novel and can be implemented within the classical or the Bayesian mode of statistical inference ...
Abadi, Fitsum, Schaub, Michael
core  

Movement and Sexual Dimorphism of the Endangered Hawaiian Coot, (Fulica alai), on Oahu [PDF]

open access: yes, 2016
M.S. University of Hawaii at Manoa 2016.Includes bibliographical references.The endangered Hawaiian Coot, Fulica alai, is one of only six native waterbird species remaining in the Hawaiian Islands.
Riggs, Randi
core  

Estimación de la supervivencia anual de aves canoras migratorias bajo el efecto de una fidelidad incompleta al área de reproducción: diseños de estudios que pueden resultar de utilidad [PDF]

open access: yes
Many species of bird exhibit varying degrees of site–fidelity to the previous year’s territory or breeding area, a phenomenon we refer to as incomplete breeding site–fidelity. If the territory they occupy is located beyond the bounds of the study area or
Cooper, R. J.   +3 more
core  

Demographic estimation methods for plants with dormancy [PDF]

open access: yes, 2004
Demographic studies in plants appear simple because unlike animals, plants do not run away. Plant individuals can be marked with, e.g., plastic tags, but often the coordinates of an idividual may be sufficient to identify it. Vascular plants in temperate
Gregg, K. B., Kéry, M.
core  

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