Results 81 to 90 of about 71,932 (258)

Zoologia politica

open access: yes, 2018
The difference between the right and the left dwindles, appears as progressively unclear. With respect to the right and the left, one could say what Augustine maintains about time. If no one asks us what the right and the left are, we know it well; yet if someone asks us, we no longer know.
openaire   +2 more sources

A zoologia filosófica no Brasil: explorando as modernas correntes do pensamento científico no Collégio de Pedro II em meados do século XIX - The philosophical zoology in Brazil: exploring the modern approaches of the scientific thinking in the d. Pedro sc

open access: yesHistória da Educação, 2011
Resumo As Ciências Naturais foram ensinadas na escola secundária pública brasileira a partir de 1837 com a fundação do Imperial Collégio de Pedro II no Rio de Janeiro.
Karl M. Lorenz
doaj  

Longevity and Growth of the Crabs Callinectes sapidus and Callinectes rathbunae (Decapoda: Portunidae) in Paraíso Tabasco Mexico

open access: yesActa Zoologica, EarlyView.
ABSTRACT Individual growth models are important in fisheries of natural populations and can be incorporated in production models to estimate their maximum sustainable yield. Blue crab species, Callinectes sapidus and Callinectes rathbunae were obtained in the Mecoacán lagoon, Paraíso, Tabasco Mexico by “nasa” and “yahual” nets. Biometric values such as
Candelario Jiménez‐Olivares   +5 more
wiley   +1 more source

As batalhas com jacarés na ilha de Mexiana, por Gottfried Hagmann [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Humanas
Resumo Este trabalho apresenta um relato inédito em português de Gottfried Hagmann sobre a caça de jacarés na ilha de Mexiana, publicado quando era auxiliar de zoologia do então Museu Goeldi.
Matheus Camilo Coelho   +1 more
doaj   +1 more source

Presencia de una especie del género Eretmocerus (Hymenoptera: Aphelinidae) sobre Bemisia tabaci (Hemiptera: Aleyrodidae) en el cultivo de pimiento en Tucumán, Argentina [PDF]

open access: yes, 2013
Presence of a species of the genus Eretmocerus (Hymenoptera: Aphelinidae) on Bemisia tabaci (Hemiptera: Aleyrodidae) in the pepper crop from Tucumán, Argentina». The objective of this work was to identify the microhymenopterous parasitoid of B. tabaco in
Fernández, J. A.   +5 more
core   +1 more source

A new species of Villiersicometes Santos-Silva, 2003 from French Guiana (Coleoptera, Disteniidae, Disteniinae) [PDF]

open access: yes, 2013
Villiersicometes scellierae sp. nov. (Coleoptera, Disteniidae), is described from Saül, French Guiana.
Dalens, Pierre-Henri
core   +2 more sources

Geographic risks to functional groups of mammals and birds from habitat loss in Mexico

open access: yesConservation Biology, EarlyView.
Abstract There is a need to quantify the impact of habitat loss due to anthropogenic factors on different aspects of biodiversity, such as functional trait diversity represented by functional groups (FGs). We developed a metric to assess the weighted risk of loss of habitat for 33 FGs of mammals and 36 FGs of birds in Mexico based on potential ...
Fernando Mayani‐Parás   +4 more
wiley   +1 more source

Evaluating the protection status and exposure to warming of Caribbean reefs with high functional potential

open access: yesConservation Biology, EarlyView.
Abstract Over the past decades, climate change has emerged as a major threat to global biodiversity, negatively affecting the integrity and functioning of ecosystems and the benefits they provide to people. To mitigate these impacts, it is essential to identify climate refugia that support the persistence of the structure and function of reef ...
Sara M. Melo‐Merino   +4 more
wiley   +1 more source

New species of Chariergus White and Ethemon Thomson (Coleoptera, Cerambycidae, Compsocerini [PDF]

open access: yes, 1998
Two new species of Chariergus White are described from Brazil: Chariergus caeruleus, from Bahia, Minas Gerais and Espirito Santo and C. paranaensis., from Parana, Santa Catarina and Rio Grande do SuI. Ethemon brevicorne, sp. n.
Napp, Dilma Solange, Reynaud, Dalton T.
core  

Regional heterothermy in Megasoma gyas is not related to active heat dissipation by the horns

open access: yes
Insect Science, EarlyView.
Danilo Giacometti   +4 more
wiley   +1 more source

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