Results 21 to 30 of about 15,241 (201)

Contribución al conocimiento de la familia Neriidae (Diptera) en Chiapas, México: nuevos registros y uso potencial de la morfometría geométrica

open access: yesRevista de la Sociedad Entomológica Argentina, 2022
Insects of the family Neriidae deposited in the Insect Collection of “El Colegio de la Frontera Sur” (Tapachula, México) were revised. Taxonomic revision of 322 specimens provided distributional information about four genera and six species for the state
E. R. Chamé-Vázquez   +2 more
semanticscholar   +1 more source

MORFOMETRIA E DIAGNÓSTICO FÍSICO CONSERVACIONISTA (DFC) EM 19 SUB-BACIAS DA BACIA HIDROGRÁFICA APODI MOSSORÓ.

open access: yesRevista Brasileira de Geografia Física, 2022
A bacia hidrográfica do rio Apodi-Mossoró, inserida na mesorregião oeste do estado do Rio Grande do Norte, ocupa uma área de 14.276 km² e seu desenvolvimento econômico é baseado na exploração de recursos naturais.
Albergma Estevão de Queiroz Magalhães Cavalcante   +2 more
semanticscholar   +1 more source

Constructing a multiple‐part morphospace using a multiblock method

open access: yesMethods in Ecology and Evolution, Volume 14, Issue 1, Page 65-76, January 2023., 2023
Abstract Popular current methods for quantifying variation in biological shape are well‐suited to analyses of isolated parts (e.g. the same bone from the skeletons of many individuals). An analytical challenge exists for quantifying variation between the shapes of multiple‐part objects where each part has a different position, rotation or scale (e.g ...
Daniel B. Thomas   +5 more
wiley   +1 more source

Cranial ecomorphology of turtles and neck retraction as a possible trigger of ecological diversification

open access: yesEvolution, Volume 76, Issue 11, Page 2566-2586, November 2022., 2022
Abstract Turtles have a highly modified body plan, including a rigid shell that constrains postcranial anatomy. Skull morphology and neck mobility may therefore be key to ecological specialization in turtles. However, the ecological signal of turtle skull morphologies has not been rigorously evaluated, leaving uncertainties about the roles of ...
Guilherme Hermanson   +5 more
wiley   +1 more source

Web databases of feather photographs are useful tools for avian morphometry studies

open access: yesEcology and Evolution, Volume 11, Issue 12, Page 7677-7684, June 2021., 2021
Wing area and aspect ratio are key variables for studies of avian comparative ecology, despite the complexity of measuring them both in living and in museum specimens. The systematic databases of feather photographs available on the Internet may offer an alternative way of obtaining such morphometric data.
Juan E. Malo, Cristina Mata
wiley   +1 more source

Efectos de la variabilidad pluviométrica sobre la morfometría de los recursos hídricos de una cuenca hidrográfica de la región pampeana, Argentina

open access: yesRevista geografica venezolana, 2021
El objetivo de este estudio fue cuantificar y caracterizar el impacto de eventos secos y húmedos ocurridos en la cuenca del río Sauce Grande (región Pampeana, Argentina) sobre la morfometría de sus principales recursos hídricos, durante el período 1987 ...
A. Brendel   +3 more
semanticscholar   +1 more source

Análisis morfométrico del frenillo labial superior durante el crecimiento y desarrollo del niño en edades 0 a 12 años

open access: yesRevista de Odontopediatria Latinoamericana, 2021
Objetivo: Establecer un análisis morfométrico del frenillo labial superior durante el crecimiento y desarrollo del niño en edades de 0 a 12 años en el Municipio Naguanagua periodo Marzo-Septiembre 2016.
Osmary Darisay Cerrato López   +2 more
doaj   +1 more source

Abundancia y morfometría de los quitones (Mollusca: Polyplacophora) asociados a rompeolas en Coveñas, Sucre-Colombia

open access: yesIntropica, 2021
Los quitones son un grupo de moluscos muy comunes en el mar de la costa Caribe colombiana. No obstante, los estudios respecto a estos organismos y el seguimiento a sus poblaciones son escasos, por lo que el objetivo de la investigación fue determinar la ...
Humberto Luis Quintana   +1 more
semanticscholar   +1 more source

Análise da morfometria e do uso e cobertura da terra da bacia hidrográfica do rio Mocajuba, zona costeira Amazônica

open access: yes, 2021
The Mocajuba river hydrographic basin  is located in the eastern sector of the Amazon coastal zone and its area covers four municipalities of the state Para.
J. Vale, L. D. Costa, M. Pimentel
semanticscholar   +1 more source

Utilização de probiótico em rações com diferentes níveis de proteína sobre o comprimento e a morfometria do intestino delgado de codornas de corte - DOI: 10.4025/actascianimsci.v30i3.804

open access: yesActa Scientiarum: Animal Sciences, 2008
O trabalho objetivou avaliar o efeito do probiótico associado com diferentes níveis de proteína bruta (PB) sobre o comprimento e a morfometria da mucosa do intestino delgado de codornas de corte.
Luciana Kazue Otutumi   +5 more
doaj   +1 more source

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