Results 181 to 190 of about 73,824 (300)

Forest islands sustain more temporally stable insect metacommunities in a heterogeneous tropical mountaintop landscape. [PDF]

open access: yesNPJ Biodivers
da Silva PG   +5 more
europepmc   +1 more source

Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda   +6 more
wiley   +1 more source

"Ecologia atòmica"

open access: yes
Investigadores de la UAB proponen un nuevo enfoque llamado "ecología atómica" que destaca la interconexión entre la presencia y disponibilidad de átomos esenciales en diversos ecosistemas y rasgos ecológicos fundamentales. Esta nueva perspectiva, respaldada por avances tecnológicos, nos ayuda a entender mejor los procesos ecológicos y las respuestas de
Peñuelas, Josep||   +1 more
openaire   +1 more source

Feeding ecology of an Amazonian electric knifefish under altered flood‐pulse dynamics caused by hydroelectric damming

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study evaluated the effects of the controlled flood pulse on diet composition, trophic niche breadth and feeding intensity of Archolaemus janeae, an electric knifefish species with a restricted distribution in the Amazon Basin. Monthly samples were collected from December 2020 to November 2021 in the Volta Grande stretch of the Xingu ...
Ana F. V. N. M. Costa   +8 more
wiley   +1 more source

Evaluation of springtail biodiversity and soil biological quality in two Italian beech forests.

open access: yes, 2012
Pinto S   +5 more
core  

Ecologia corporal : sustentabilidade e novos olhares na educação

open access: yes
t: The purpose of this text and to bring about a necessary and urgent discussion between the body, education and environment relationships, this integration was lost with the civilizational processes where the separation of body and mind was emphasized ...
Valéria Noronha Vaccarelli
core  

Unravelling the skin of the nurse shark: A morphological description of the placoid scales of Ginglymostoma cirratum

open access: yesJournal of Fish Biology, EarlyView.
Abstract Ginglymostoma cirratum, commonly known as the nurse shark, is a nocturnally active benthic shark, often found in western and eastern Atlantic waters. Although this shark has been well explored in many biological aspects, few studies have thoroughly examined the morphology of its dermal denticles (or placoid scales).
Danilo P. Lima   +7 more
wiley   +1 more source

New piling materials for seawater environments: an ecotoxicological assessment

open access: yes, 2012
Tagliapietra D.   +5 more
core  

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