Results 51 to 60 of about 1,973 (182)

Long‐term monitoring reveals biomass loss and concurrent dominance changes in coastal zooplankton community

open access: yesEcography, Volume 2026, Issue 4, April 2026.
Anthropogenically induced changes in environmental conditions have been affecting species communities globally, leading to shifts in ecosystem functioning. Physical drivers like temperature, salinity and acidification are especially important in coastal ecosystems, and high‐resolution time‐series are essential to identify how these variables affect ...
Tjardo Stoffers   +3 more
wiley   +1 more source

Genomics and transcriptomics of epizoic Seisonidea (Rotifera, syn. Syndermata) reveal strain formation and gradual gene loss with growing ties to the host

open access: yesBMC Genomics, 2021
Background Seisonidea (also Seisonacea or Seisonidae) is a group of small animals living on marine crustaceans (Nebalia spec.) with only four species described so far. Its monophyletic origin with mostly free-living wheel animals (Monogononta, Bdelloidea)
Katharina M. Mauer   +7 more
doaj   +1 more source

Sampling Design and Sample Processing Affect Soil Biodiversity Assessments

open access: yesMolecular Ecology Resources, Volume 26, Issue 3, April 2026.
ABSTRACT Biodiversity surveys require an appropriate sampling design for optimal performance and comparability across space and time and across studies. Based on PacBio and Illumina amplicon sequencing of animals, bacteria and fungi, we assessed and compared various soil sampling designs from widely used continental and global metabarcoding‐based ...
Meirong Chen   +5 more
wiley   +1 more source

The Rotifer fauna of Guatemala and Belize: survey and biogeographical affinities

open access: yesRevista de Biología Tropical, 2007
Rotifer samples were obtained from 29 localities in northern Guatemala and central-southern Belize during March 2000 and June 2001. A total of 119 species were identified. Ten selected taxa are illustrated and commented: Euchlanis semicarinata, Lepadella
Alma Estrella García-Morales   +1 more
doaj  

Hidden Waters, Unique Communities: Subterranean Zooplankton Beta Diversity in the Caatinga Drylands

open access: yesFreshwater Biology, Volume 71, Issue 4, April 2026.
ABSTRACT Subterranean waters are important but understudied biodiversity reservoirs, particularly in the semi‐arid Caatinga biome. We quantified the biological uniqueness of zooplankton communities in these groundwater‐dependent systems and investigated how environmental conditions shape beta diversity.
Carolina Teixeira Puppin‐Gonçalves   +6 more
wiley   +1 more source

Improved COI taxonomic assignment workflow enhances detection of invertebrates in environmental DNA

open access: yesLimnology and Oceanography: Methods, Volume 24, Issue 3, March 2026.
Abstract Environmental DNA (eDNA) metabarcoding is an increasingly popular and powerful tool in ecology, offering a non‐invasive method to assess biodiversity and monitor ecosystem health across diverse environments. While the mitochondrial cytochrome c oxidase subunit I (COI) gene is one of the most widely used markers for studying eukaryotic ...
Yuanyu Cheng   +5 more
wiley   +1 more source

Marine rotifera

open access: yes, 2015
I Rotiferi fanno parte della meiofauna, cioè l'insieme di metazoi che abita i sedimenti marini e d'acqua dolce. Di dimensioni microscopiche, sono organismi che svolgono un ruolo fondamentale nei processi dell'ecosistema marino legati al ciclo dei nutrienti, alla mineralizzazione e al trasporto dei sedimenti.
De Smet Willem H   +3 more
openaire   +3 more sources

Diversity and Potential Endemism of New Zealand Freshwater Rotifers Revealed Using Mitochondrial DNA Barcodes

open access: yesNew Zealand Journal of Marine and Freshwater Research, Volume 60, Issue 1, March 2026.
Rotifers perform key functions in aquatic food webs and respond to environmental changes, thus providing sensitive indicators of water quality. However, rotifers are small, highly diverse, and difficult to identify for those lacking expertise. Monogononta are the largest taxonomic class of rotifers with over 1500 species described globally, and around ...
Gemma E. Collins   +7 more
wiley   +1 more source

Geographic Variation in the Diet of Red Knot (Calidris canutus) Chicks Reflects Local Prey Communities

open access: yesJournal of Biogeography, Volume 53, Issue 3, March 2026.
ABSTRACT Aim To describe and compare the diets of an Arctic‐breeding shorebird, the Red Knot (Calidris canutus), across three geographically distinct breeding sites. We aimed to document the dietary patterns and identify key prey groups that characterise each population's foraging ecology.
Reinier Blok   +12 more
wiley   +1 more source

Long-term changes in the trophic state of Suwalki lakes – an analysis by means of indices based on abundance and composition of their rotifer fauna

open access: yesLimnological Review, 2016
Rotifer abundance and species composition in lakes of the Suwalki Landscape Park were studied in the years 1983–1985, 2009, 2012 and 2015. Rotifer trophic state indices (TSIROT) were used to assess changes in the trophic state of the studied lakes.
Ejsmont-Karabin Jolanta   +4 more
doaj   +1 more source

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