Results 81 to 90 of about 2,253 (199)

Non-indigenous hydromedusae in California's upper San Francisco Esturary: life cycles, distribution, and potential environmental impacts

open access: yesScientia Marina, 2000
Two species of hydromedusae, assumed to be native to the Black and Caspian Seas, were routinely collected in Suisun Slough, California, at the Suisun City Marina, during late summer and fall of 1997.
John T. Rees, Lisa-Ann Gershwin
doaj   +1 more source

Chondrocranial anatomy of Testudo hermanni (Testudinidae, Testudines) with a comparison to other turtles

open access: yesJournal of Morphology, Volume 285, Issue 7, July 2024.
Histology‐based 3D reconstructions of the chondrocrania (blue), palatoquadrates (purple), and columellae (yellow) of a younger (top) and an older (below) specimen of Hermann's tortoise, Testudo hermanni (Testudines), in ventral views. The first vertebra (green) is partially reconstructed. Based on Figure 3.
Carola Mauel   +4 more
wiley   +1 more source

Review of Eastern Adriatic Hydromedusae: Unravelling Two Centuries of Records

open access: yesJournal of Marine Science and Engineering
The Eastern Adriatic Sea is biogeographically complex, yet knowledge of its hydromedusae is fragmented across two centuries of uneven sampling and shifting taxonomy.
Ivona Onofri   +3 more
doaj   +1 more source

Southwest Monsoon Effect on Plankton Occurrence and Distribution in Parts of Bay of Bengal

open access: yesAsian Fisheries Science, 2007
The present investigation was carried out for one year from March 1988 to February 1989 and focused on hydroplankton aspects in parts of Bay of Bengal. The hydrological factors were mainly governed by the monsoon and river systems flowing into the Bay. A
M. ZAFAR
doaj   +1 more source

Trophic ecology of carnivorous zooplankton in the Benguela [PDF]

open access: yes, 1992
Carnivorous zooplankton in the Benguela system have tended to be ignored by all but early taxonomists and a handful of recent researchers. An attempt is made here to address the importance of carnivores in this system but, because the database is poor ...
Gibbons, Mark J.   +2 more
core  

Evidence of Cnidarians sensitivity to sound after exposure to low frequency underwater sources [PDF]

open access: yes, 2016
Jellyfishes represent a group of species that play an important role in oceans, particularly as a food source for different taxa and as a predator of fish larvae and planktonic prey.
André, Michel   +5 more
core   +1 more source

Investigating pelagic biodiversity and gelatinous zooplankton communities in the rapidly changing European Arctic: An eDNA metabarcoding survey

open access: yesEnvironmental DNA, Volume 6, Issue 3, May–June 2024.
In this study, we implement eDNA metabarcoding to investigate patterns of pelagic diversity in the European Arctic. We successfully detected a wide range of taxa belonging to the marine metazoan and gelatinous zooplankton communities. We demonstrate vertical patterns of diversity as well as relationships between taxa and water mass indicators such as ...
Ayla Murray   +5 more
wiley   +1 more source

Primer registro de la medusa urticante invasora Gonionemus vertens en el hemisferio sur (Mar del Plata, Argentina) [PDF]

open access: yes, 2014
En este trabajo registra el primer hallazgo de la hidromedusa Gonionemus vertens Agassiz, 1862 en el hemisferio sur. Alrededor de 30 medusas recientemente liberadas fueron encontradas en un acuario en septiembre de 2008.
Genzano, Gabriel Nestor   +3 more
core  

Identifying community assembling zones and connectivity pathways in the Tropical Southwestern Atlantic Ocean

open access: yesEcography, Volume 2024, Issue 3, March 2024.
Dispersal is more intense in the ocean than on land because most marine taxa present planktonic life stages that are transported by currents even without specific morphological traits. Thus, species dispersal shapes the distribution of biodiversity along seascapes and drives the composition of biodiversity assemblages.
Everton Giachini Tosetto   +11 more
wiley   +1 more source

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