Results 211 to 220 of about 73,541 (290)

Estudos sôbre a subfamília Scaptocorinae na região neotropical (Hemiptera: Cydnidae)

, 1967
Miriam Becker
openalex   +1 more source

New Neotropical PlŒariinæ [PDF]

Psyche: A Journal of Entomology, 1911
openaire   +2 more sources

Classic Hypotheses of Area, Time, and Climatic Stability Fall Short in Explaining High Tropical Species Richness

Journal of Biogeography, EarlyView.
ABSTRACT Aim Tropical biodiversity overshadows the number of species inhabiting other regions. Age, area, and stability constitute three classical ideas used to explain the higher richness in these warm and humid zones. In this study, we measured the global dynamics of tropical, arid, temperate, cold, and polar climate zones over the last 5 million ...
Sofía Galván, Sara Varela, Sara Gamboa
wiley   +1 more source

Miscellaneous studies on Neotropical ants. II. (Hymenoptera, Formicidae). [PDF]

, 1962
W. W. Kempf
openalex   +1 more source

Neotropical savanna ants show a reversed latitudinal gradient of species richness, with climatic drivers reflecting the forest origin of the fauna

, 2018
H. Vasconcelos, J. Maravalhas, R. Feitosa, R. Pacheco, Karen C. Neves, A. Andersen   +5 more
semanticscholar   +1 more source

A framework for a low‐cost system of automated gate control in assays of spatial cognition in fishes

Journal of Fish Biology, EarlyView.
Abstract Automation of experimental setups is a promising direction in behavioral research because it can facilitate the acquisition of data while increasing its repeatability and reliability. For example, research in spatial cognition can benefit from automated control by systematic manipulation of sensory cues and more efficient execution of training
Valerie Lucks, Jens Theine, Maria Paula Arteaga Avendaño, Jacob Engelmann   +3 more
wiley   +1 more source

The effect of environmental factors on transepithelial potential in a model Amazonian teleost, the tambaqui (Colossoma macropomum): Implications for sodium balance in harsh environments

Journal of Fish Biology, EarlyView.
Abstract The tambaqui (Colossoma macropomum, G. Cuvier 1818) thrives both in the ion‐poor waters of the Amazon and in commercial aquaculture. In both, environmental conditions can be harsh due to low ion levels, occasional high salt challenges (in aquaculture), low pH, extreme PO2 levels (hypoxia and hyperoxia), high PCO2 levels (hypercapnia), high ...
Chris M. Wood, Anne Crémazy, Carolyn Morris, Ora E. Johannsson, Gudrun De Boeck, Adalberto Luis Val   +5 more
wiley   +1 more source

Oxygen consumption from air and water, ammonia and urea‐N excretion, and Na+ fluxes during progressive aquatic hypoxia in Amazonian armoured catfish Pterygoplichthys gibbiceps and Pterygoplichthys pardalis

Journal of Fish Biology, EarlyView.
Abstract The Amazonian loricariid fish Pterygoplichthys gibbiceps, from the Rio Negro, and Pterygoplichthys pardalis, from the Rio Solimões, are facultative air‐breathers that can use the stomach as an air‐breathing organ. Measurement of oxygen uptake under progressive aquatic hypoxia revealed a relatively high hypoxia resistance of both species.
Bernd Pelster, Chris M. Wood, Adalberto Luis Val   +2 more
wiley   +1 more source

Synopsis of the Neotropical Cockroach Genus Macrophyllodromia (Orthoptera: Blattoidea, Epilampridae)

, 1962
Isolda Rocha e. Silva Albuquerque
openalex   +2 more sources

A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil

Journal of Fish Biology, EarlyView.
Abstract A new species of Characidium is described from the Iguaçu National Park, Brazil. The new species can be diagnosed from the congeners by the absence of conspicuous vertical bars, blotches and spots along the sides of the body, the presence of a scaled isthmus and adipose fin, a series of scales below lateral line and the presence of a thin dark
Bruno H. M. Stabile, Renan B. dos Reis, Alessandra V. de Oliveira, Weferson J. da Graça   +3 more
wiley   +1 more source