Results 21 to 30 of about 1,405,896 (309)

High fitness areas drive the aggregation of the sea urchin Mesocentrotus nudus [PDF]

open access: yesPeerJ, 2022
Sea urchin aggregation is a common phenomenon in coastlines. However, it remains controversial whether sea urchins form resource aggregations or behavioral aggregations in a non-spawning season.
Yushi Yu   +3 more
doaj   +2 more sources

Extensive introgression among strongylocentrotid sea urchins revealed by phylogenomics. [PDF]

open access: yesEcol Evol, 2023
Extensive Introgression among Strongylocentrotid Sea Urchins Revealed by ...
Glasenapp MR, Pogson GH.
europepmc   +2 more sources

Sunflower sea star predation on urchins can facilitate kelp forest recovery

open access: yesProceedings of the Royal Society B, 2023
The recent collapse of predatory sunflower sea stars (Pycnopodia helianthoides) owing to sea star wasting disease (SSWD) is hypothesized to have contributed to proliferation of sea urchin barrens and losses of kelp forests on the North American west ...
A. Galloway   +8 more
semanticscholar   +1 more source

Carbon export is facilitated by sea urchins transforming kelp detritus [PDF]

open access: yesOecologia, 2019
With the increasing imperative for societies to act to curb climate change by increasing carbon stores and sinks, it has become critical to understand how organic carbon is produced, released, transformed, transported, and sequestered within and across ...
K. Filbee‐Dexter   +7 more
semanticscholar   +2 more sources

Comparative morpho‐physiological aspects and transcriptomics of the gonads from wild caught and enhanced green sea urchin (Strongylocentrotus droebachiensis)

open access: yesAquaculture, Fish and Fisheries, 2022
There is a growing interest in sea urchin roe enhancement around the world, but relatively little is known about the physical differences between enhanced and wild sea urchin roe and the causes of any differences.
I. Mathisen Sætra   +3 more
doaj   +1 more source

Alterations in sea urchin (Mesocentrotus nudus) microbiota and their potential contributions to host according to barren severity

open access: yesnpj Biofilms and Microbiomes, 2023
Sea urchins are biotic factors driving the decline of kelp forests in marine ecosystems. However, few studies have analyzed the microbiota of surviving sea urchins in barren regions with scarce diet resources.
Joon-Young Park   +4 more
doaj   +1 more source

Sea urchin granuloma [PDF]

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 2006
Injuries caused by venomous and poisonous aquatic animals may provoke important morbidity in humans. The phylum Echinoderma include more than 6000 species of starfish, sea urchins, sand dollars, and sea cucumbers some of which have been found responsible for injuries to humans. Initial injuries by sea urchins are associated with trauma and envenomation,
Rossetto, André Luiz   +2 more
openaire   +4 more sources

Characteristic of Microplastic on Coral Reef Sediment and Sea Urchin (Diadema sp.) in Tidung Island, Jakarta Bay, Indonesia

open access: yesIlmu Kelautan, 2023
Microplastics are recognized as common contaminants of coral ecosystem in Tidung Island, affecting both sediment and sea urchins residing in this environment. Therefore, this study aimed to determine the characteristics of microplastics found in sediment,
Sulistiowati Sulistiowati   +4 more
doaj   +1 more source

Contamination of sea urchin Mesocentrotus nudus by radiocesium released during the Fukushima Daiichi Nuclear Power Plant accident.

open access: yesPLoS ONE, 2022
Countless marine organisms were polluted with radioactive materials that were dispersed when the Fukushima Daiichi Nuclear Power Plant (FDNPP) was damaged in 2011 by the Great East Japan Earthquake.
Mst Nazira Akhter Rithu   +4 more
doaj   +3 more sources

Distinct realized physiologies in green sea urchin (Strongylocentrotus droebachiensis) populations from barren and kelp habitats

open access: yesFACETS, 2022
Overgrazing of habitat-forming kelps by sea urchins is reshaping reef seascapes in many temperate regions. Loss of kelp, in particular as a food source, may alter individual consumer physiology, which in turn may impair their ability to respond to ...
Jasmin M. Schuster   +3 more
doaj   +1 more source

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