Damming of streams due to the construction of a highway in the Amazon rainforest favors individual trophic specialization in the fish (Bryconops giacopinii)

In Amazonian streams, damming caused by road construction changes the system's hydrological dynamics and biological communities. We tested whether the degree of specialization in fish (Bryconops giacopinii) individuals is higher in pristine stream environments with intact ecological conditions...

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Veröffentlicht in:	Journal of fish biology 2024-12, Vol.105 (6), p.1755-1768
Hauptverfasser:	Barros, Gabriel Gazzana, Silva Araújo, Márcio, Takeshi Yogui, Gilvan, Zuanon, Jansen, Pereira de Deus, Cláudia
Format:	Artikel
Sprache:	eng
Schlagworte:	Amazonia Animals Body condition Brazil Bryconops Bryconops giacopinii Carbon 13 Carbon Isotopes - analysis Characiformes - physiology Competition Condition factor Construction dammed streams Dietary restrictions Ecological conditions Fins Fish Food Chain Food resources Gastrointestinal Contents - chemistry Highway construction hydrology individual variation intraspecific competition Isotopes liver Liver - chemistry muscles Natural populations Niches Nitrogen Isotopes - analysis Nutrient deficiency Populations Rainforest Rainforests repletion Rivers Road construction Specialization species Stable isotopes Stomach Stomach content Streams Water Movements
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