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QUANTITATIVE CRANIAL CHARACTER VARIATION IN SELECTED POPULATIONS OF THE GUYANNENSIS-GROUP OF PROECHIMYS (RODENTIA, ECHIMYIDAE) FROM BRAZIL
(Gustav Fischer Verlag JenaJenaAlemanha, 1990)
Geographic variation in cranial morphology in Thrichomys apereoides (Rodentia : Echimyidae). I. Geometric descriptors and patterns of variation in shape
(Alliance Communications Group Division Allen PressLawrenceEUA, 2002)
Gene flow and geographic variation in natural populations of Alnus acuminata ssp. arguta (Fagales: Betulaceae) in Costa Rica and Panama
(Universidad de Costa Rica, 1999)
New record, geographic variation and redescription of Apedilum elachistus Townes (Diptera: Chironomidae: Chironominae)
(Taylor & Francis, 2008-08-20)
Apedilum elachistus Townes 1945 is recorded from Argentina, representing the southernmost record of this species. Due to dissimilarities found between South and North American specimens a Principal Component Analysis and ...
Phenotypic differences in a cryptic predator: Factors influencing morphological variation in the terciopelo Bothrops asper (Garman, 1884; Serpentes: Viperidae)
(Elsevier Ltd, 2009)
The terciopelo Bothrops asper, is a cryptic lancehead pitviper widely distributed in humid environments of Middle America and the north-western portion of South America. Throughout its extensive distribution range, the ...
Geographical and intrapopulation variation in the diet of a threatened marine predator, Pontoporia blainvillei (Cetacea)
(Wiley-Blackwell, 2018-01-01)
Understanding diet variation is a major concern when developing conservation guidelines for threatened species, especially for marine predators whose prey availability can be reduced by commercial fisheries. Diet can vary ...
Socioeconomic and cardiovascular variables explaining regional variations in stroke mortality in Chile: An ecological study
(2011)
Background: Regional differences in stroke mortality rates have been described in Chile. These could be related to the distribution of cardiovascular risk factors, the quality of medical care or socioeconomic status ...