Community-based population recovery of overexploited Amazonian wildlife [PDF]
, 2017 The Amazon Basin experienced a pervasive process of resource overexploitation during the 20th-century, which induced severe population declines of many iconic vertebrate species.
Antunes, André P. +4 more
core +1 more source
Causes and consequences of recent degradation of the Magdalena River basin, Colombia
Limnology and Oceanography Letters, Volume 7, Issue 6, Page 451-465, December 2022., 2022 Abstract The Magdalena River in Colombia is one of the world's largest (discharge = 7100 m3 s−1) tropical rivers, hosting > 170 aquatic vertebrate species. However, concise synthesis of the current ecological and environmental status is lacking. By documenting the anthropogenic stressors impacting the river on time scales ranging from centuries to ...
Jorge Salgado +8 more
wiley +1 more source
Macro-habitat preferences by the African manatee and crocodiles – ecological and conservation implications [PDF]
, 2012 African manatees (<i>Trichechus senegalensis</i>) and crocodiles are threatened species in parts of their range. In West Africa, crocodiles may constitute the main predators for manatees apart from humans.
E. Politano +5 more
core +1 more source
Manatee (Trichechus manatus) vocalization usage in relation to environmental noise levels [PDF]
, 2009 Author Posting. © Acoustical Society of America, 2009. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution.
Brumm H. +17 more
core +2 more sources
Status of the Amazonian manatee (Trichechus inunguis) in the Cuyabeno Reserve, Ecuador
ACI Avances en Ciencias e Ingenierías, 2010 Amazonian manatees live in black water rivers and lakes in the Amazon basin. A study of Amazonian manatees in the Cuyabeno Reserve conducted by Timm et al.
Judith Denkinger
doaj +1 more source
Bottlenecks in the migration routes of Amazonian manatees and the threat of hydroelectric dams [PDF]
Acta Amazonica, 2017 In a particular region within western Amazonia, Amazonian manatees (Trichechus inunguis) live in a floodplain environment that becomes inhospitable for them during the annual low-water season.
Eduardo Moraes ARRAUT +4 more
doaj +2 more sources
A Fetal-Maternal Shift of Blood Oxygen Affinity in an Australian Viviparous Lizard, Sphenomorphus quoyii (Reptilia, Scincidae) [PDF]
, 1981 Compared to adults, the oxygen affinity of blood from fetal Sphenomorphus quoyii is very much higher: P50 is approximately 70 Torr in adults and 30 Torr in nearly full term embryos (PC02= 17 Torr, T=34 degrees C).
A Riggs +22 more
core +1 more source
Phylogeography and sex-biased dispersal across riverine manatee populations (Trichechus inunguis and Trichechus manatus) in South America. [PDF]
PLoS ONE, 2012 Phylogeographic patterns and sex-biased dispersal were studied in riverine populations of West Indian (Trichechus manatus) and Amazonian manatees (T.
Paula Satizábal +7 more
doaj +1 more source
Aspectos Morfológicos do cordão umbilical de búfalos (Bubalus bubalis) [PDF]
, 2009 Buffalo is an important livestock resource, with a great participation in agricultural systems, providing milk, meat, and work power. Umbilical cord is responsible for maternal-fetal nutrients exchange during pregnancy, and its alterations can compromise
BRANCO, Érika +8 more
core +2 more sources
Population genetics of the understory fishtail palm Chamaedorea ernesti-augusti in Belize: high genetic connectivity with local differentiation. [PDF]
, 2011 BACKGROUND: Developing a greater understanding of population genetic structure in lowland tropical plant species is highly relevant to our knowledge of increasingly fragmented forests and to the conservation of threatened species.
Bacon, Christine D +9 more
core +1 more source