Results 31 to 40 of about 437 (92)

Small jellyfish, large consequences: The overlooked predatory role of hydromedusae in subtropical estuarine ecosystems

open access: yesLimnology and Oceanography, Volume 71, Issue 4, April 2026.
Abstract Hydromedusae are often overlooked in pelagic trophic ecology compared to large scyphozoans. We investigated the diet, prey selectivity, ingestion rates, digestion times, and predation impacts of the native Liriope tetraphylla and non‐indigenous species Cnidostoma fallax and Moerisia inkermanica in a subtropical estuary of the southwestern ...
Guilherme M. von Montfort   +4 more
wiley   +1 more source

Tipo de alimento, sobrevivência e desempenho inicial de pós-larvas de pacu (Piaractus mesopotamicus) Types of preys on growth and survival of pacu (Piaractus mesopotamicus) pos-larvae

open access: yesCiência e Agrotecnologia, 2006
Conduziu-se este trabalho com o objetivo de avaliar a viabilidade técnica do uso de zooplâncton enriquecido na alimentação de pós-larvas de pacu (Piaractus mesopotamicus). Na Estação Ambiental de Itutinga, da Companhia Energética de Minas Gerais (CEMIG),
Martha Janeth Prieto   +4 more
doaj   +1 more source

Urban Pollution Promotes Biotic Simplification of the Zooplankton Community in Ponds in Northeastern Brazil

open access: yesFreshwater Biology, Volume 70, Issue 6, June 2025.
ABSTRACT Pollution significantly impacts aquatic biodiversity by limiting the species pool. However, considerable uncertainty remains regarding which community attributes should be used to demonstrate the effects of this anthropogenic disturbance. We propose that zooplankton taxonomic biodiversity could serve as a reliable pollution indicator in lentic
Gustavo Adolfo Villalba Duré   +6 more
wiley   +1 more source

Water quality and zooplankton in tanks with larvae of Brycon Orbignyanus (Valenciennes, 1949) Qualidade da água e zooplâncton em tanques de larvicultura de Brycon orbignyanus (Valenciennes, 1949)

open access: yesBrazilian Journal of Biology, 2008
Due to the importance of water variables conditions and available food in the development and survival of fish larvae, the current research evaluates the effects of two different food treatments (ration + zooplankton and only zooplankton) and water ...
LH. Sipaúba-Tavares   +2 more
doaj   +1 more source

Lipid biomarkers reveal trophic relationships and energetic trade‐offs in contrasting phenotypes of the cold‐water coral Desmophyllum dianthus in Comau Fjord, Chile

open access: yesFunctional Ecology, Volume 38, Issue 1, Page 126-142, January 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Benthic suspension feeders like corals and sponges are important bioengineers in many marine habitats, from the shallow tropics to the depth of polar oceans. While they are generally considered opportunistic, little is known about their actual in situ diet.
Marlene Wall   +12 more
wiley   +1 more source

Estudo comparativo da composição do zooplâncton de dois ecossistemas lacustres da Amazônia Sul-Ocidental - DOI: 10.4025/actascibiolsci.v25i2.2042

open access: yesActa Scientiarum: Biological Sciences, 2008
A comunidade zooplanctônica de dois ecossistemas lacustres localizados na Amazônia Sul-Ocidental (Lago Amapá e Lago Pirapora) foi estudada, com base em amostras coletadas, durante 11 meses.
Erlei Cassiano Keppeler
doaj   +1 more source

Producción primaria fitoplanctónica de un lago somero turbio orgánico en relación con el zooplancton (La Pampa, Argentina)

open access: yesBiología Acuática, 2019
La producción primaria (PPr) es la energía fijada por los organismos autótrofos. En los ecosistemas acuáticos, se produce principalmente mediante procesos fotosintéticos realizados por algas planctónicas o bentónicas y macrófitas.
Alicia Vignatti   +4 more
doaj  

Distribuição longitudinal da biomassa de microcrustáceos em três reservatórios tropicais (Estado do Paraná, Brasil) - DOI: 10.4025/actascibiolsci.v29i3.484

open access: yesActa Scientiarum: Biological Sciences, 2007
Este estudo avaliou a distribuição longitudinal da biomassa de microcrustáceos planctônicos, em três reservatórios subtropicais, no Brasil, e a relação dessa distribuição com algumas variáveis limnológicas em reservatórios.
Martín César María Bletter   +1 more
doaj   +1 more source

The structuring role of macrophytes on plankton community composition and bacterial metabolism in a large subtropical shallow lake

open access: yesActa Limnologica Brasiliensia
Aim We aimed at investigating changes in major groups of plankton (bacterioplankton, phytoplankton and zooplankton) and bacterioplankton metabolism along a transect covering a littoral, macrophyte dominated zone to a pelagic, phytoplankton dominated zone
Ng Haig They, David da Motta Marques
doaj   +1 more source

O estado da arte dos estudos de rotíferos em ambientes naturais da América do Sul: planícies de inundação- DOI: 10.4025/actascibiolsci.v26i4.1521

open access: yesActa Scientiarum: Biological Sciences, 2008
No presente estudo objetivou-se realizar uma compilação à respeito do estado da arte dos estudos de rotíferos em ambientes naturais da América do Sul, com destaque para planícies de inundação.
Anderson Setsuo Miyashiro Aoyagui   +1 more
doaj   +1 more source

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