Results 61 to 70 of about 29,926 (256)

The atyid prawns of Dominica [PDF]

open access: yes, 1977
The family of primitive prawns, Atyidae, are freshwater animals with a circumtropical distribution, but additionally some have penetrated into temperate regions.
Fryer, G.
core  

A machine learning assisted method for rapidly annotating benthic megafauna in large volumes of marine imagery

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Recent technological advancements have rapidly expanded our capacity for collecting image data in the marine environment, but processing images into meaningful ecological metrics remains a manual, time‐consuming, and biased process. This is particularly challenging with electro‐optical cabled imaging systems which generate images at a rate ...
Katharine T. Bigham, Ada Carter
wiley   +1 more source

Gurumon gurumayum, a new genus and new species of freshwater crab (Decapoda: Brachyura: Potamidae) from Arunachal Pradesh, northeastern India

open access: yesEuropean Journal of Taxonomy, 2022
A new genus and new species of potamid crab, Gurumon gurumayum gen. et sp. nov., are described from the Arunachal Pradesh State of northeastern India. Gurumon gen. nov.
Sameer K. Pati
doaj   +1 more source

Refining techniques for high‐frequency monitoring of chlorophyll a fluorescence in estuarine systems

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Concentrations of the photosynthetic pigment chlorophyll a are commonly used as a proxy for phytoplankton biomass in aquatic systems. Traditional methods for extracting chlorophyll a in discrete samples limit measurement frequency, while in situ sensor technology provides high frequency chlorophyll a fluorescence measurements at a more ...
Nicole Dix   +10 more
wiley   +1 more source

Ionic regulatory strategies of crabs: the transition from water to land

open access: yesFrontiers in Physiology
Terrestrial crabs (brachyurans and anomurans) have invaded land following a variety of pathways from marine and/or via freshwater environments. This transition from water to land requires physiological, ecological, and behavioral adaptations to allow the
Čedomil Lucu, Lucy M. Turner
doaj   +1 more source

A database of freshwater macroinvertebrate occurrence records across Cuba

open access: yesScientific Data, 2023
In light of the ongoing freshwater biodiversity crisis, detailed knowledge regarding the spatial distribution of freshwater species is urgently required, especially in biodiversity hotspots.
Yusdiel Torres-Cambas   +7 more
doaj   +1 more source

A New Variety of Freshwater Crab from Travancore

open access: yesRecords of the Zoological Survey of India, 1913
No Abstract.
openaire   +2 more sources

Interplanetary frontiers: terraforming from an invasion science perspective

open access: yesOikos, EarlyView.
The pursuit of a multi‐planetary existence represents one of humanity's greatest frontiers. If applied justly, it offers an opportunity to extend its civilization's lifespan amid escalating sustainability crises on Earth. One approach increasingly gaining traction is terraforming, a hitherto theoretical ecological and evolutionary experiment revolving ...
Teun Everts   +2 more
wiley   +1 more source

Diversity and conservation status of Aegla spp. (Anomura, Aeglidae): an update

open access: yesNauplius
The speciose genus Aegla Leach, 1820 is the only valid extant genus of the anomuran family Aeglidae, bearing 83 known species. This diversity may be even greater since there is some evidence for cryptic speciation.
Sandro Santos   +5 more
doaj   +1 more source

Invasive Potential of Pet-Traded Pill-Box Crabs from Genus Limnopilos

open access: yesDiversity, 2019
The pet trade in aquatic animals is known to be one of the main sources of non-native species worldwide. Freshwater decapod crustaceans have increased in popularity as ornamentals in the last two decades.
Jiří Patoka   +5 more
doaj   +1 more source

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