Results 91 to 100 of about 147,544 (215)

Diversity of toxin and non-toxin containing cyanobacterial mats of meltwater ponds on the Antarctic Peninsula: a pyrosequencing approach [PDF]

open access: yes, 2014
Despite their pivotal role as primary producers, there is little information as to the diversity and physiology of cyanobacteria in the meltwater ecosystems of polar regions.
Quesada, Antonio   +40 more
core   +1 more source

Can Repeated Reductive Genome Evolution Across Archaeplastida Explain Volatility in Traits?

open access: yesAdvanced Genetics, Volume 7, Issue 4, December 2026.
Genome evolution in Archaeplastida is often framed around gene gains and increasing complexity. Yet ancestral reconstructions reveal recurrent genome contraction, with ancestors frequently harboring larger gene repertoires than descendants. Across red algae, land‐plant ancestry, and embryophyte diversification, repeated expansion and reduction cycles ...
Cäcilia F. Kunz   +3 more
wiley   +1 more source

Freshwater Biodiversity Research in Brazil: Trends from a Systematic Review and Topic Modeling

open access: yesInternational Review of Hydrobiology, Volume 111, Issue 2, December 2026.
ABSTRACT Brazil is a megadiverse country that hosts six major biomes and a vast freshwater network. Despite this richness, research on freshwater biodiversity has been heterogeneous across regions, communities, and time, leaving significant knowledge gaps.
Paula Caroline dos Reis Oliveira   +24 more
wiley   +1 more source

Wildfire in the Surrounding Landscape Alters Limnological Conditions and Plankton Communities in a Tropical Reservoir

open access: yesInternational Review of Hydrobiology, Volume 111, Issue 2, December 2026.
ABSTRACT Wildfires are becoming increasingly frequent and severe as a consequence of climate change. Their impacts on terrestrial ecosystems and on the atmosphere include the release of gases and ash, as well as enhanced soil susceptibility to erosion and the downstream transport of materials into aquatic systems.
Daniel Guido Giongo   +7 more
wiley   +1 more source

Methods of evaluation cyanobacterial water bloom management

open access: yes, 2006
This entry refers to need of estabilishing general method for evaluation of cyanobacterial water bloom management. There are introduced definition of succesful corective action, general parameters of water quality and stability of water ecosystems, which
Maršálek, Blahoslav
core  

Assessment of the risk of cyanobacterial bloom occurrence in urban ponds: probabilistic approach

open access: yes, 2010
Blooms of toxic cyanobacteria became a common feature of temperate lakes and ponds owing to human induced eutrophication. Occurrence of cyanobacterial blooms in an urban context may pose serious health concerns. This necessitates the development of tools
Ludwig Triest   +3 more
core   +1 more source

Climate Change and Temperature‐Based Stratification in Shallow Lakes and Ponds in Warm Climate Regions

open access: yesInternational Review of Hydrobiology, Volume 111, Issue 2, December 2026.
ABSTRACT Thermal stratification in shallow lakes (< 5 m, > 5 ha) and ponds (< 5 m, < 5 ha) in warm climate regions is understudied. A comprehensive review was done to identify the effects of climate change on stratification patterns, their effects on the ecology of shallow waterbodies and implications for management of shallow waterbodies.
Lorine Auma Omondi
wiley   +1 more source

Horizontal distribution patterns during a cyanobacterial bloom

open access: yes, 1995
A hierarchical sampling was performed in order to give a picture of the horizontal distribution of cyanobacterial colonies. It showed how the importance of different scales in distance changed during the summer bloom of Gloeotrichia echinulata in the ...
Forsell, Lena   +2 more
core  

Endotoxins and Biological Implications—Review

open access: yesPublic Health Challenges, Volume 5, Issue 4, December 2026.
Graphical overview of endotoxin sources, exposure routes, biological effects, detection methods, and routes of elimination. ABSTRACT Endotoxins, also known as lipopolysaccharides (LPSs), are structural components of the outer membrane of Gram‐negative bacteria and some cyanobacteria.
Uzair Ishtiaq   +5 more
wiley   +1 more source

Acute toxicity of fine and coarse copper sulfate crystals to planorbid snails in experimental catfish ponds

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 6, December 2026.
Abstract Bolbophorus damnificus, a digenetic trematode infecting ictalurid catfish, causes substantial economic losses in commercial aquaculture through a parasite‐induced anemia, leading to poor performance and increased susceptibility to secondary bacterial infections.
Kevin C. Wise   +8 more
wiley   +1 more source

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