Results 101 to 110 of about 2,813 (227)

Adaptive reorganization of metabolism in bivalve mollusk (Anadara inaequivalvis Bruguiere) under experimental anoxia [PDF]

open access: yes, 2009
Показано, що за умов експериментальної аноксiї в зябрах та нозi анадари процеси бiлкового катаболiзму посилюються, що спричиняє зниження вмiсту бiлка, пiдвищення рiвня вiльних амiнокислот i сечовини.
Андреенко, Т.И.   +2 more
core  

Geolocation reveals wintering sites of near‐extinct Caucasian breeding sea duck

open access: yesIbis, EarlyView.
We obtained 14 sets of full annual cycle geolocator tracks from 13 individual nesting female Velvet Scoter Melanitta fusca from the relict Caucasian population at their last remaining breeding site, Lake Tabatskuri, Georgia. Results showed that females wintered at widespread discrete localities in Ukraine, around the coasts of the Crimean Peninsula and
Nika Paposhvili   +3 more
wiley   +1 more source

Comparative taphonomy and faunal composition of shelly cheniers from northeastern Baja California, Mexico

open access: yesCiencias Marinas, 1995
This report presents the results of comparative taphonomic and faunal analyses of shelly cheniers (mollusk-dominated lag concentrations) from the tidal flats of northeastem Baja California, Mexico. Three generations of cheniers that differ in age and in
M Kowalewski, KW Flessa
doaj   +1 more source

An investigation into the diet of elephant fish (Callorhinchus milii) in the waters of Aotearoa/New Zealand

open access: yesJournal of Fish Biology, EarlyView.
Abstract Chondrichthyans (sharks, rays and chimaeras) are increasingly understood to be an important part of ocean ecosystems, but their ecological role is unclear. Callorhinchus milii (elephant fish) is a chimaera species endemic to Aotearoa/New Zealand and southern Australian waters.
Kat U. C. Cooper   +3 more
wiley   +1 more source

Ethno-malacological knowledge of bivalve mollusks gathering in Acupe mangrove, Santo Amaro, Bahia [PDF]

open access: yesBiotemas, 2009
The mangrove is a highly productive ecosystem that carries out important ecological functions and that historically it has been used for the subsistence and income of countless craft fishing communities. In the mangroves of Todos os Santos Bay, including
Francisco José Bezerra Souto   +1 more
doaj  

Renal Trichodinosis in the Japanese Rice Fish, Oryzias latipes: First Report and Phylogenetic Classification

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Investigation of a disease outbreak in a hobbyist's medaka (Oryzias latipes) collection led to the detection of Trichodina sp. in the kidney tubuli of individual fish. Based on this observation, a thorough clinical workup, including native microscopy, histopathology and molecular genetics, was conducted.
J. Harl   +3 more
wiley   +1 more source

Bivalve mollusks of the western Beaufort Sea

open access: yesContributions in science, 1979
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Outbreaks of Granulomatous Disease Associated With Vibrio harveyi Infection in Grouper (Epinephelus fuscoguttatus × E. lanceolatus) Aquaculture in Taiwan

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Between 2015 and 2024, outbreaks of muscular and visceral granulomatous disease, resulting in moderate‐to‐severe mortality in farmed groupers, occurred in southern Taiwan. Initially, affected groupers were screened for granuloma‐associated pathogens, including Mycobacterium spp., Nocardia spp., Photobacterium damselae and Edwardsiella spp ...
Shang‐Ting Wu, Chia‐Yu Hsieh
wiley   +1 more source

The effects of bioturbation on porewater chemistry and early marine diagenesis: Evidence from a modern intertidal zone in Abu Dhabi, U.A.E.

open access: yesSedimentology, EarlyView.
ABSTRACT Early marine carbonate cements generally form in CaCO3‐supersaturated seawater at the seabed or shallow burial depths, resulting in syn‐sedimentary cemented firmgrounds and hardgrounds. The processes controlling early marine diagenesis are complex, particularly in coastal environments where geochemistry is influenced by different water sources
Drew Brown   +7 more
wiley   +1 more source

Elucidating the Origin of Tetrodotoxin in Pleurobranchaea maculata and Stylochoplana sp. [PDF]

open access: yes, 2015
Tetrodotoxin (TTX) is an extremely potent neurotoxin that acts by selectively targeting voltage gated sodium channels blocking propagation of action potentials.
Salvitti, Lauren R.
core  

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