Results 71 to 80 of about 15,181 (147)

Bayesian hierarchical models for analysing the spatial distribution of bioclimatic indices [PDF]

open access: yes, 2017
A methodological approach for modelling the spatial distribution of bioclimatic indices is proposed in this paper. The value of the bioclimatic index is modelled with a hierarchical Bayesian model that incorporates both structured and unstructured random
Barber, Antoni   +5 more
core  

Investigating the topology of interacting networks - Theory and application to coupled climate subnetworks

open access: yes, 2011
Network theory provides various tools for investigating the structural or functional topology of many complex systems found in nature, technology and society.
A. Arenas   +54 more
core   +1 more source

Caraterización citogenética del pez tropical de agua dulce Parachromis managuensis (Pisces:Cichlidae)

open access: yesRevista de Biología Tropical, 2006
Para contribuir con el ordenamiento de las especies de la familia Cichlidae, se realizó el estudio citogenético de la mojarra pinta Parachromis managuensis.
Lenin Arias-Rodriguez   +2 more
doaj  

An evaluation of length-frequency sampling procedures and subsequent data analysis for purse seine-caught yellowfin tuna in the Eastern Pacific Ocean [PDF]

open access: yes, 1994
ENGLISH: A two-stage sampling design is used to estimate the variances of the numbers of yellowfin in different age groups caught in the eastern Pacific Ocean.
Wild, A
core  

Bioantropología de los restos óseos provenientes de un sitio tardío en el bajo Río Magdalena (El Salado, Salamina, Magdalena)

open access: yesMaguaré, 2002
Se reporta el análisis bioantropológico de los restos óseos provenientes del yacimiento El Salado, municipio de Salamina, departamento del Magdalena, Colombia, fecha- dos entre los siglos VII-VIII d.C., ubicado cerca a la ciénaga del Pescado, bosque seco
José Vicente Rodríguez Cuenca   +1 more
doaj   +2 more sources

Los cromosomas mitóticos y meióticos del pez tropical Petenia splendida (Cichlidae)

open access: yesRevista de Biología Tropical, 2008
Para describir los cromosomas del cariotipo en mitosis y meiosis de la mojarra tenguayaca P. splendida, se procesaron 60 larvas y doce jóvenes (seis hembras y seis machos) procedentes de Tabasco, México.
Lenin Arias-Rodriguez   +2 more
doaj  

Implications of differences between temperate and tropical freshwater ecosystems for the ecological risk assessment of pesticides [PDF]

open access: yes
Despite considerable increased pesticide use over the past decades, little research has been done into their fate and effects in surface waters in tropical regions.
Brink, P.J., van den, Daam, M.A.
core   +2 more sources

Materials and methods for tagging purse seine and baitboat caught tunas [PDF]

open access: yes, 1973
ENGLISH: The percentages of return of purse seine-tagged yellowfin and baitboat- tagged yellowfin and skipjack subjected to various combinations of treatments were tested statistically to determine the effects of the treatments.
Bayliff, William H.
core  

Height-diameter allometry of tropical forest trees [PDF]

open access: yes, 2011
Tropical tree height-diameter (H:D) relationships may vary by forest type and region making large-scale estimates of above-ground biomass subject to bias if they ignore these differences in stem allometry.
Affum-Baffoe, K.   +23 more
core   +1 more source

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