Results 31 to 40 of about 25,642 (265)

Modelling beta diversity of aquatic macroinvertebrates in High Andean wetlands

open access: yesJournal of Limnology, 2017
Central Andean Highlands represent a singular environment characterized by various extreme conditions. Among them, peatbogs are exceptional marshy habitats scattered throughout this arid and harsh area.
Carolina Nieto   +4 more
doaj   +1 more source

Homeward bound: annual breeding home range size and overlap in Broad-winged Hawks ( Buteo platypterus ) and the effects of sex, productivity, and ecoregion

open access: yesJournal of Field Ornithology, 2023
Documenting home range size, and identifying the variables influencing it, is key to understanding raptor population ecology and to addressing conservation issues.
Diego Gallego   +2 more
doaj   +1 more source

cultura neotropical

open access: yesRevista de Arqueologia, 1994
Carajás representa um papel fundamental para a compreensão da integração humana na Amazônia. Isto acontece devido às suas características ambientais e às possfveis inteirações que os homens puderam ter com elas. Inclusive, como conseqüência disto, é posslvel esboçar uma hipótese testável, sobre a formação e evolução das culturas amazônicas, cujas ...
openaire   +3 more sources

Campesino justification for self-initiated conservation actions: a challenge to mainstream conservation

open access: yesJournal of Political Ecology, 2013
Northeastern Peru is considered a global conservation priority due to high biodiversity and acute threats to natural habitat. Its non-indigenous migrant populations, known as campesinos, are presented by mainstream conservation agents as the major threat
Noga Shanee
doaj   +1 more source

Neotropical Myrsinaceae - XX

open access: yesPhytologia., 1986
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +6 more sources

Nuevos registros de Alouatta palliata (Primate: Atelidae) en los departamentos de Chocó y Risaralda, Colombia

open access: yesMammalogy Notes
Esta nota actualiza la información sobre la distribución del mono aullador de manto (Alouatta palliata) en el Chocó biogeográfico de Colombia, al reportar 15 registros en dos nuevas localidades que extienden su rango conocido en 90km hacia el este, en ...
Alma Hernández-Jaramillo   +3 more
doaj   +1 more source

El “estado ecológico” como concepto para la gestión de la cuenca Salí-Dulce (Tucumán, Argentina)

open access: yesActa Zoológica Lilloana, 2017
El simposio “Problemática de la cuenca Salí-Dulce” del VII Congreso Argentino de Limnología (CAL7) en 2016 expuso las tensiones existentes entre gestores y cien- tíficos.
Hugo R. Fernández
doaj   +1 more source

A survey of critically endangered Plecturocebus oenanthe in Moyobamba’s urban forests, Peru

open access: yesScientific Reports
Urban expansion is a global driver of wildlife decline, with cities encroaching into forested areas, leading among other things to habitat loss and fragmentation.
Sam Shanee   +7 more
doaj   +1 more source

Neuroanatomical diversity in Teleocichla with new volumetric and histological insights into the encephalon of Teleocichla monogramma Kullander 1988

open access: yesThe Anatomical Record, EarlyView.
Abstract Teleocichla comprises small cichlids that inhabit the rapid streams of Amazonian rivers; however, there has been limited research on their encephalon morphology. This study examined the neuroanatomy of four species, focusing on volumetric measurements of their encephalon subregions, and providing a histological description of the encephalon of
Renan Leão‐Reis   +4 more
wiley   +1 more source

Hepatic morphology and serum biochemical profile according to dry and rainy seasons in Pygocentrus nattereri (Characiformes: Serrasalmidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract This study investigated the physiological and morphological adaptations of the liver of the carnivorous fish Pygocentrus nattereri (piranha) in response to seasonal variations (dry and rainy seasons) in the Brazilian Pantanal. The objective was to describe how the liver, a central organ in metabolic regulation, responds to environmental ...
Maria Eduarda Corona Garcia   +9 more
wiley   +1 more source

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