Results 121 to 130 of about 3,279,066 (304)
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley +1 more source
Interações tróficas em ambientes recifais ao longo de diferentes escalas espaciais [PDF]
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, Florianópolis, 2015.Interações tróficas são fundamentais para a estrutura e funcionamento de ecossistemas, alterando padrões ...
Longo, Guilherme Ortigara
core
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
The largest silesaurid known from South America is described here, demonstrating that silesaurids reached large body sizes in southwestern Gondwana. This discovery further underscores the widespread geographic distribution and temporal persistence of large silesaurids across Pangea, despite faunal turnovers and environmental events such as the Carnian ...
Rodrigo Temp Müller
wiley +1 more source
The influence of trophic status and seasonal environmental variability on morpho-functional traits in tropical man-made shallow lakes. [PDF]
Vanderley RF +4 more
europepmc +1 more source
Dental anomalies in Pleistocene African hippopotamuses from Olduvai Bed II
Abstract Hippopotamuses are key palaeoenvironmental indicators in African Pleistocene ecosystems due to their ecological dependence on permanent water bodies and their frequent representation in the fossil record. This study examines dental anomalies in Hippopotamus cf. gorgops from several localities in Bed II of Olduvai Gorge (Tanzania), dated to ca.
Darío Fidalgo +4 more
wiley +1 more source
Trophic Status of the Kuchurgany Estuary Water in 2006-2017 [PDF]
На основании экспедиционных данных 2006-2017 гг. проведены оценки трофического статуса вод Кучурганского лимана с использованием индексов TSI и TRIX, а также концентрации хлорофилла а и содержания бактериопланктона.
Kovalova, Nataliia V. +5 more
core +1 more source
Literature review on response of aquatic macrophytes species to hydromophological pressures [PDF]
Presented as biological indicators, the aquatic macrophytes, according to their community and distribution are important elements for water quality determination.
HANGANU Jenică, DOROFTEI Mihai
doaj
Water quality and trophic status of Lake Mariut in Egypt and its drainage water after 8-year diversion. [PDF]
Shaaban NA.
europepmc +1 more source
Histological structure of esophagus. Abstract The aim of this study was to conduct a comparative evaluation of the histological and histochemical organization of the esophagus in two avian species with different feeding ecologies. A total of 6 individuals were used for this purpose (3 storks, 3 common buzzards).
Serap İlhan Aksu +8 more
wiley +1 more source

