Results 21 to 30 of about 981 (209)

Macroinvertebrate communities associated with macrophyte habitats in a tropical man-made lake (Lake Taabo, Côte d’Ivoire)

Knowledge and Management of Aquatic Ecosystems, 2011
An ecological study was done on Lake Taabo with the main objective of characterising macroinvertebrate communities associated with the microhabitats created mainly by Eichhornia crassipes and other littoral native macrophytes.
Kouamé M. K., Dietoa M. Y., Edia E. O., Da Costa S. K. , Ouattara A., Gourène G.   +5 more
doaj   +1 more source

Zooplankton as an Indicator: A Dramatic Shift in Its Composition Following a Sudden Temporal Brownification of a Tropical Oligotrophic Lake in Southern Mexico

Diversity
Lake Bacalar, a fragile oligotrophic ecosystem located in the southeast of Yucatan Peninsula, Mexico, suffered from a sudden brownification after the tropical storm Cristobal in June 2020 in the Gulf of Mexico.
Manuel Elías-Gutiérrez, Martha Valdez-Moreno, Lucia Montes-Ortiz, Alma E. García-Morales   +3 more
doaj   +1 more source

Effects of daily changes in environmental factors on the abundance and richness of Odonata Efeitos das mudanças diárias dos fatores ambientais sobre a abundância e a riqueza de Odonata

Acta Limnologica Brasiliensia, 2011
AIM: The aim of this work was to investigate the effects of daily changes in surface water abiotic factors on the abundance of Odonata larvae and the genus richness in a lateral lake isolated from a tropical river during the nycthemeral cycle in dry and ...
João Ânderson Fulan, Raoul Henry, Rosemary Cristina Souza Davanso   +2 more
doaj   +1 more source

Limnological changes in Dom Helvécio Lake (South-East Brazil): natural and anthropogenic causes

Brazilian Journal of Biology
In order to verify changes in physical, chemical and biological features of Dom Helvécio Lake (South-East Brazil), this study compares previous and recent data obtained from limnological investigations over three decades. Plankton species composition and
PM. Maia-Barbosa, LG. Barbosa, SL. Brito, F. Garcia, CFA Barros, MBG Souza, N. Mello, AS. Guimarães, FAR Barbosa   +8 more
doaj   +1 more source

Thermal structure of the Poraquê lake, Central Amazonian, Brazil - doi: 10.4025/actascibiolsci.v33i2.5150

Acta Scientiarum: Biological Sciences, 2011
Thermal gradient of a Central Amazonian lake was studied to establish a link between seasonal variations in the water level, temperature, suspended particulate matter (SPM) and thermal stratification.
Fabio Marques Aprile
doaj   +1 more source

Seasonal Variation in Water Quality and Plankton Communities in a Eutrophic Tropical Lake (Central, India)

International Journal of Bio-Resource and Stress Management
The study was conducted during the year 2024 at Koteshwar Lake, Ramtek, Maharashtra, India to evaluate seasonal variations in water quality and plankton community structure and to determine the trophic status of the lake in relation to monsoon-driven ...
Aasidhara Darvekar, Sachin Belsare, Swapnil S. Ghatge, Vijay Raut, Shital Patil   +4 more
doaj   +1 more source

The Dynamic of Phytoplankton Community Structure in Face of Warming Climate in A Tropical Man-Made Lake

Biosaintifika: Journal of Biology & Biology Education, 2017
In freshwater ecosystems, water temperature plays as an environmental factor that regulates its structure and function. A research on the impacts of changes in temperature to the dynamics of the Phytoplankton community structure has been done.
Sunardi Sunardi, Rina Febriani, Budi Irawan, Mutia Septi Saputri   +3 more
doaj   +1 more source

A tribal‐scale phylogenomic perspective on ancestry and major lineages of the allotetraploid Hawaiian silversword alliance (Madieae, Compositae)

American Journal of Botany, EarlyView.
Abstract Premise Disentangling the ancestry of insular plant lineages is important for resolving their evolutionary histories but often complicated by polyploidy, an overrepresented condition in remote island floras. We used a phylogenomic approach to study the origin of subgenomes of the tetraploid Hawaiian silversword alliance and advance ...
Bruce G. Baldwin, Susan Fawcett, Andrew Kostic, Bridget L. Wessa, William A. Freyman   +4 more
wiley   +1 more source

Decadal Shifts in Zooplankton Size Structure and Biomass in a Warming Tropical Lake

Limnological Review
Climate warming can alter lake zooplankton through changes in thermal structure, oxygen availability, nutrient cycling, and phytoplankton dynamics, but decadal evidence from African lakes remains scarce. We compared zooplankton size structure and biomass
Peter Sanful, Radoslav Smolak, Solomon Amfoh, Asha Damoah   +3 more
doaj   +1 more source

Spatial and temporal variation of Peridinium umbonatum F. Stein, 1883 (Dinophyceae) and its relationship with total phytoplankton of a shallow, oligotrophic lake in central Brazil (Lagoon Bonita, Distrito Federal) Variação especial e temporal de Peridinium umbonatum F. Stein, 1883 (Dinophyceae) e sua relação com o fitoplâncton total de uma lagoa rasa e oligotrófica no Brasil Central (Lagoa Bonita, Distrito Federal)

Acta Limnologica Brasiliensia, 2010
AIM: The main goal of this study was to investigate the temporal and spatial distribution of Peridinium umbonatum and its relationship with the physical and chemical water variables of the pelagic and littoral zones of Lagoon Bonita, located in Brasília,
Patrícia Pereira Gomes, Maria do Socorro Rodrigues Ibañez, June Springer de Freitas   +2 more
doaj   +1 more source