Results 81 to 90 of about 3,339 (205)

Paraorientatractis semiannulata n. g., n. sp. (Cosmocercoidea: Atractidae) from the Large Intestine of the SideNecked Turtle, Podocnemis unifilis Troschel, 1848 (Testudines: Pelomedusidae) in Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1997
Specimens collected from the large intestine of the sidenecked turtle Podocnemis unifilis Troschel, 1848 in the region of Cuminá and Trombetas rivers near Pará, Brazil are assigned to a new genus and new species of the nematode superfamily Cosmocercoidea
Gibbons Lynda M   +2 more
doaj  

Poredbene hematološke i biokemijske analize divovske amazonske kornjače uzgajane pod lošim i normalnim hranidbenim uvjetima [PDF]

open access: yes, 2009
Besides indicating the baseline values of the species, blood parameter assessments of chelonian may also be used as quick tools for diagnosing health status.
Antonio A. Oliveira-Junior   +4 more
core   +1 more source

Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling

open access: yesMolecular Ecology, Volume 34, Issue 11, June 2025.
ABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Camila Timana‐Mendoza   +7 more
wiley   +1 more source

Podocnemis venezuelensis, a new fossil pelomedusid (Testudines, Pleurodira) from the Pliocene of Venezuela and a review of the history of Podocnemis in South America

open access: yes, 1971
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Wood, Roger Conant, De Gamero, M L Diaz
openaire   +2 more sources

lessons learned from monitoring conservation agreements in the Colombian Amazon [PDF]

open access: yes, 2010
Many environmental issues can be attributed to misaligned distribution of the costs of conservation and the benefits of conservation. For instance, biodiversity represents value for the global community, but biodiversity protection imposes various ...
Mora, Margarita   +4 more
core   +1 more source

Behavior of Rio Sao Francisco Piranhas in Response to Changes in Space and Density

open access: yesZoo Biology, Volume 44, Issue 3, Page 271-282, May/June 2025.
ABSTRACT Previous observations of Rio Sao Francisco piranhas (Pygocentrus piraya) at Cleveland Metroparks Zoo revealed frequent aggressive interactions, which were associated with the injury and death of some individuals. Fishes are known to increase aggressive behavior when available space is limited.
Ronald G. Oldfield   +4 more
wiley   +1 more source

Aceitação alimentar de resíduos do processamento de frutas por muçuas (Kinosternon scorpioides Linnaeus, 1766) em cativeiro. [PDF]

open access: yes, 2017
A utilização de resíduos agroindustriais na dieta dos quelônios é uma alternativa para diminuir os custos de produção sem comprometer o desenvolvimento e a produção animal.
ARAUJO, J. da C.   +5 more
core  

Projected increases in the annual flood pulse of the Western Amazon [PDF]

open access: yes, 2015
The impact of a changing climate on the Amazon basin is a subject of intensive research because of its rich biodiversity and the significant role of rainforests in carbon cycling.
Buytaert, W.   +7 more
core   +1 more source

Aproveitamento de alimentos de origem animal pela tartaruga-da-amazônia: Podocnemis expansa criada em cativeiro The use of animal feed in the diet of captive Arrau sideneck: Podocnemis expansa

open access: yesActa Amazonica, 2009
Foi realizado um trabalho para determinar o aproveitamento alimentar da farinha de carne e ossos (FCO), farinha de vísceras de aves (FVA) e farinha de peixe (FP) em tartaruga-da-amazônia, por meio dos coeficientes de digestibilidade aparente (CDA) da ...
Cauê Guion de Almeida   +1 more
doaj   +1 more source

Chemical Composition of the Eggs of the Freshwater Turtle Phrynops hilarii (Chelidae: Testudines) [PDF]

open access: yes, 2019
At oviposition, amniote eggs contain all the nutrients required for complete neonate tissue development. For reptiles and birds, the egg yolk is the main embryonic energy source and is composed predominantly of proteins and lipids, while also providing ...
Bernardi, Cecilia Gabriela   +3 more
core  

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