Results 81 to 90 of about 5,335 (233)

Potential Roles of Biotic Factors in Regulating Zooplankton Community Dynamics in Jakarta Bay Shallow Water Coastal Ecosystem [PDF]

open access: yes, 2012
The dynamics in zooplankton abundance were regulated by changes in water physical-chemical parameters and interaction with biotic factors. In this research we examined the relationship between zooplankton community dynamic and important biotic factors ...
Fitriya, N. (Nurul), Rachman, A. (Arief)
core   +3 more sources

Food web modifications shifted the functional structure of zooplankton

open access: yesLimnology and Oceanography, Volume 70, Issue 12, Page 3983-3997, December 2025.
Abstract The North Sea has been undergoing long‐term transformations driven by shifts in human activities and climate change, which have jointly reshaped the composition of marine communities. Despite existing studies, the functional mechanisms driving community changes remain poorly understood.
Raquel Marques   +5 more
wiley   +1 more source

Omnivory by the Small Cosmopolitan Hydromedusa Aglaura Hemistoma [PDF]

open access: yes, 2005
We investigated the feeding of the small hydromedusa, Aglaura hemistoma (bell diameter \u3c 4 mm), to determine if it occupies a trophic position similar to that of large medusae.
Colin, Sean   +3 more
core   +2 more sources

Winter Diets of Pacific Salmon in the North Pacific

open access: yesFisheries Oceanography, Volume 34, Issue 6, Page 118-138, November 2025.
ABSTRACT The winter feeding ecology of Pacific salmon and Steelhead trout in the North Pacific Ocean was investigated, with a focus on species‐specific diets and interannual and spatial variability in diet composition. We used results from the 2022 International Year of the Salmon Pan‐Pacific Expedition to examine diet composition across the North ...
Jackie King   +6 more
wiley   +1 more source

Careful with understudied phyla: The case of chaetognath

open access: yesBMC Evolutionary Biology, 2008
Background A recent study by Barthélémy et al. described a set of ribosomal protein (RP) genes extracted from a collection of expressed sequence tags (ESTs) of the chaetognath (arrow worm) Spadella cephaloptera.
Le Parco Yannick, Marlétaz Ferdinand
doaj   +1 more source

Vertical distribution and seasonal variation of pelagic chaetognaths in Sagami Bay, central Japan

open access: yes, 2012
The vertical distribution and seasonal variation of pelagic chaetognaths was investigated in Sagami Bay, based on stratified zooplankton samples from the upper 1,400 m.
H. Miyamoto   +3 more
semanticscholar   +1 more source

Zooplankton population in the polluted environment of Thana Creek and Bombay Harbour [PDF]

open access: yes, 1977
Hydrographical and biological parameters of Thana Creek and Bombay Harbour were studied to assess the prevailing water quality. Zooplankton samples were collected from various stations during January 1975 to July 1975.
Desai, B.N.   +2 more
core  

Predation Strategies of the Portuguese Man‐of‐War Physalia physalis

open access: yesMarine Ecology, Volume 46, Issue 6, November/December 2025.
ABSTRACT The Portuguese man‐of‐war Physalia physalis is widely known for causing poisoning on human beings. Physalia physalis is mostly described as a predator of fish eggs and larvae. Here, we report for the first time that large fish can also be preyed by P. physalis.
Jorge L. S. Nunes   +8 more
wiley   +1 more source

Transitions in the morphological features, habitat use, and diet of young-of-the-year goosefish (Lophius americanus) [PDF]

open access: yes, 2007
This study was designed to improve our understanding of transitions in the early life history and the distribution, habitat use, and diets for young-of-the-year (YOY) goosefish (Lophius americanus) and, as a result, their role in northeastern U.S ...
Able, Kenneth W.   +3 more
core  

The evolution of reproduction in Ediacaran–Cambrian metazoans

open access: yesBiological Reviews, Volume 100, Issue 5, Page 2084-2098, October 2025.
ABSTRACT The evolution of reproductive style is a fundamental aspect of metazoan life history but has not been explored holistically through the Ediacaran–Cambrian rise of metazoans. Recent molecular clock analyses based on only unequivocal metazoan fossil calibrations suggest that Porifera were present by at least 590 million years ago (Ma), all major
Rachel A. Wood, Mary L. Droser
wiley   +1 more source

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