Results 31 to 40 of about 324,016 (353)

Sexual Disruption in the Freshwater Crab (Geothelphusa dehaani) [PDF]

open access: yesIntegrative and Comparative Biology, 2005
To clarify the effect of environmental endocrine disruptors on the induction of secondary sexual characteristics in wild animals, we observed 1,527 male and 1,847 female specimens of sexually mature Japanese freshwater crabs, Geothelphusa dehaani, collected at 12 sample points from 10 rivers in Sasebo City, Nagasaki Prefecture, Japan.
Toshikazu, Ayaki   +4 more
openaire   +2 more sources

Surveys of Afrotemperate forests yields two new freshwater crabs (Decapoda: Potamonautidae: Potamonautes MacLeay, 1838) from South Africa

open access: yesEuropean Journal of Taxonomy, 2021
Sampling of remote inland aquatic habitats in South Africa has constantly been yielding novel endemic freshwater crab species (Potamonautes MacLeay,1838).
Savel R Daniels   +3 more
doaj   +1 more source

First record of a potamid crab (Decapoda: Brachyura) from Odisha State, India [PDF]

open access: yesNauplius, 2023
Freshwater crabs of the family Potamidae Ortmann, 1896, have so far not been recorded in the state of Odisha in India. We report for the first time a potamid crab, Acanthopotamon martensi (Wood-Mason, 1875), from Odisha.
Sameer Kumar Pati   +2 more
doaj   +1 more source

Challenges for the development of a biotic ligand model predicting copper toxicity in estuaries and seas [PDF]

open access: yes, 2012
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2011 SETAC.An effort is ongoing to develop a biotic ligand model (BLM) that predicts copper (Cu) toxicity in estuarine and marine ...
de Polo, A, Scrimshaw, MD
core   +1 more source

Feeding spectra and activity of the freshwater crab Trichodactylus kensleyi (Decapoda: Brachyura: Trichodactylidae) at La Plata basin [PDF]

open access: yes, 2014
Background: In inland water systems, it is important to characterize the trophic links in order to identify the ‘trophic species’ and, from the studies of functional diversity, understand the dynamics of matter and energy in these environments.
A Ruttner-Kolisko   +70 more
core   +1 more source

The Relationship between Population Density and Body Size of the Giant Mountain Crab Indochinamon bhumibol (Naiyanetr, 2001), an Endangered Species of Freshwater Crab from Northeastern Thailand (Potamoidea: Potamidae)

open access: yesDiversity, 2022
The giant mountain crab (Indochinamon bhumibol) is endemic to Loei Province in north-eastern Thailand. Although, little knowledge is available on the factors affecting population dynamics and individual fitness.
Sirikorn Sripho, Rattanawat Chaiyarat
doaj   +1 more source

Gulf Estuarine Research Society 2014 Meeting [PDF]

open access: yes, 2014
Table of Contents: Thank You to Our Sponsors! (p. 3) -- About the Gulf Estuarine Research Society (p. 4) -- Student Travel Award winners (p. 5) -- Abbreviated Schedule (p. 7) -- 2014 Plenary Speaker – Dr. Michael Osland (p.
University of Texas Marine Science Institute
core   +1 more source

ISOLATION AND CHARACTERIZATION OF CHITIN FROM SHELLS OF THE FRESHWATER CRAB POTAMON ALGERIENSE

open access: yesProgress on Chemistry and application of Chitin and its Derivatives, 2019
This work presents, for the first time, the extraction and characterization of chitin from the shell of the freshwater crab species Potamon algeriense with a standardized and revised chemical method.
S. Fadlaoui   +5 more
semanticscholar   +1 more source

Invasiveness assessment of the Chinese mitten crab Eriocheir sinensis (H. Milne Edwards, 1853) in the Serbian section of the river Danube [PDF]

open access: yesArchives of Biological Sciences, 2013
The Chinese mitten crab Eriocheir sinensis is listed in The Global Invasive Species Database and the IUCN Register as one of “100 of the world’s worst invasive alien species”. It has been reported in Serbia since 1995 in the Danube River, suggesting a
Škraba Dubravka   +4 more
doaj   +1 more source

The Effectiveness Growth of Males and Females Crabs (Scylla Serrata) In Recirculation System

open access: yesJournal of Aquaculture Science, 2021
Crab (Scylla serrata) is a commodity that has high prospects for cultivation. Cultivation in Indonesia has not been intensive and densely spread low due to the threat of crab deaths due to cannibalism.
Yudha Lestira Dhewantara   +2 more
doaj   +1 more source

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