Results 11 to 20 of about 53,520 (261)

Fungi in aquatic ecosystems

open access: yesNature Reviews Microbiology, 2019
Fungi are phylogenetically and functionally diverse ubiquitous components of almost all ecosystems on Earth, including aquatic environments stretching from high montane lakes down to the deep ocean. Aquatic ecosystems, however, remain frequently overlooked as fungal habitats, although fungi potentially hold important roles for organic matter cycling ...
Hans-Peter Grossart   +5 more
openaire   +8 more sources

A spatial analysis of seagrass habitat and community diversity in the Great Barrier Reef World Heritage Area

open access: yesScientific Reports, 2021
The Great Barrier Reef World Heritage Area (GBRWHA) in north eastern Australia spans 2500 km of coastline and covers an area of ~ 350,000 km2. It includes one of the world’s largest seagrass resources. To provide a foundation to monitor, establish trends
Alex B. Carter   +5 more
doaj   +1 more source

DNA metabarcoding reveals the complex and hidden responses of chironomids to multiple stressors

open access: yesEnvironmental Sciences Europe, 2018
Background Chironomids, or non-biting midges, often dominate stream invertebrate communities in terms of biomass, abundance, and species richness and play an important role in riverine food webs.
Arne J. Beermann   +4 more
doaj   +1 more source

Protocols for sample preparation and compound-specific stable-isotope analyses (δ2H, δ13C) of fatty acids in biological and environmental samples

open access: yesMethodsX, 2023
Compound-specific stable-isotope analysis (CSIA) of fatty acids is a powerful tool to better understand the trophic transfer of fatty acids and their biochemical fate in and across ecosystems, including tracing animal migration and understanding ...
Matthias Pilecky   +3 more
doaj   +1 more source

Spatial and Temporal Patterns in Macroherbivore Grazing in a Multi-Species Tropical Seagrass Meadow of the Great Barrier Reef

open access: yesDiversity, 2021
Macroherbivory is an important process in seagrass meadows worldwide; however, the impact of macroherbivores on seagrasses in the Great Barrier Reef (GBR) has received little attention.
Abigail L. Scott   +2 more
doaj   +1 more source

Estimating intraspecific genetic diversity from community DNA metabarcoding data [PDF]

open access: yesPeerJ, 2018
Background DNA metabarcoding is used to generate species composition data for entire communities. However, sequencing errors in high-throughput sequencing instruments are fairly common, usually requiring reads to be clustered into operational taxonomic ...
Vasco Elbrecht   +3 more
doaj   +2 more sources

Potential for Mesopelagic Fishery Compared to Economy and Fisheries Dynamics in Current Large Scale Danish Pelagic Fishery

open access: yesFrontiers in Marine Science, 2021
Mesopelagic fish species represent a large potentially unexploited resource for the fishing industry and the fish meal, oil, nutraceutical, and pharmaceutical production.
Silvia Paoletti   +4 more
doaj   +1 more source

Improving taxonomic resolution, biomass and abundance assessments of aquatic invertebrates by combining imaging and DNA megabarcoding [PDF]

open access: yesPeerJ
Understanding biodiversity change requires a comprehensive assessment of not only the identity of species inhabiting an ecosystem but also their biomass and abundance.
Philipp M. Rehsen   +5 more
doaj   +2 more sources

Temporal variations in macroinvertebrate communities from the tributaries in the Three Gorges Reservoir Catchment, China

open access: yesRevista Chilena de Historia Natural, 2017
Background The seasonal variations in macroinvertebrate communities in tropical, temperate and subarctic regions have been observed and well documented to date, but similar studies conducted in subtropical rivers at the regional scale are relatively rare.
Shiyun Chi   +5 more
doaj   +1 more source

Linking movement and dive data to prey distribution models: new insights in foraging behaviour and potential pitfalls of movement analyses

open access: yesMovement Ecology, 2023
Background Animal movement data are regularly used to infer foraging behaviour and relationships to environmental characteristics, often to help identify critical habitat.
Katie R. N. Florko   +9 more
doaj   +1 more source

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