Results 81 to 90 of about 36,498 (265)

Freshwater crabs of Vietnam: diversity and conservation

open access: yesJournal of Vietnamese Environment, 2014
The freshwater crab fauna of Vietnam has a high diversity and endemism, 49 species have been recorded and 42 of them are only known from this country. In addition, many species are undescribed or undiscovered while at least 10% of known species are facing extinction.
openaire   +2 more sources

Synopsis of biological data on the blue crab, Callinectes sapidus Rathbun [PDF]

open access: yes, 1984
This synopsis reviews taxonomy, morphology, distribution, life history, commercial hard and soft shell crab fisheries, physiology, diseases, ecology, laboratory culture methodology, and influences of environmental pollutants on the blue crab ...
Millikin, Mark R., Williams, Austin B.
core  

The Effects of Noise on the Juvenile Life Stage of Crustaceans: Behavioral, Cellular, and Molecular Responses in Procambarus clarkii

open access: yesIntegrative Zoology, EarlyView.
Juvenile Procambarus clarkii exposed to noise exhibited behavioral changes, shifts in enzymatic activity, and altered expression of stress and immune genes. The findings highlight the sensitivity of invertebrate juveniles to anthropogenic acoustic pollution.
Maria Ceraulo   +8 more
wiley   +1 more source

Morphometric analysis of freshwater crab, Potamon koolooense (Decapoda: Brachyura: Potamidae) from hillstream Khoh, Uttarakhand

open access: yesEnvironment Conservation Journal, 2013
The present study was carried out on freshwater crab in hillstream Khoh of district Pauri Garhwal in Uttarakhand state. Samples of crab were collected from the population inhabits the hillstream Khoh on monthly basis during May 2011 to April 2012.
Shurveer Singh   +3 more
doaj   +1 more source

Aquaculture Asia, Vol. 7, No. 3, pp.1-60, July - September 2002 [PDF]

open access: yes, 2002
CONTENTS: Sustainable Aquaculture - Peter Edwards writes on rural aquaculture: Aquaculture for Poverty Alleviation and Food Security - Part II. Shrimp pond waste management by U Win Latt. The role of rural extension in the sustainable development of

core  

Passive environmental DNA sampling: A review of current practices, limitations and future directions for biodiversity monitoring

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Passive environmental DNA (eDNA) sampling is rapidly emerging as a powerful alternative to active sampling methods (e.g. direct water sampling), with a rapidly growing diversity of tested approaches but little methodological convergence.
Fidji Sandré   +2 more
wiley   +1 more source

Heavy metals effects on life traits of juveniles of Procambarus clarkii [PDF]

open access: yes, 2019
An incubation experiment of juvenile crayfish (Procambarus clarkii) following a three- level treatment design approach was performed to assess the effect of different heavy metal concentrations on their life history traits (lifespan, growth, moult and ...
Alcorlo, Paloma   +2 more
core   +1 more source

Fats, Fire and Bronze Age Funerary Rites: Organic Residue Analysis of Wide Horizontal Rim Vessels From Burial Contexts in Northwest Portugal

open access: yesArchaeometry, EarlyView.
ABSTRACT This study presents the first GC‐MS–based analyses of wide horizontal rim vessels with well‐defined funerary contexts, from Middle Bronze Age Portugal (Quinta do Amorim 2 and Pego). Organic residues from two vessels revealed ruminant fats and plant oils, alongside molecular markers of heat exposure.
João Vinícius Back   +5 more
wiley   +1 more source

Comparison of different methodologies for DNA extraction from Aegla longirostri

open access: yesBrazilian Archives of Biology and Technology, 2007
The aim of this study was to compare some DNA extraction methodologies for Aegla longirostri. The protocols were based on the traditional phenol-chloroform DNA extraction methodology and using a commercial kit for DNA extraction. They differed in tissues
João Vitor Trindade Bitencourt   +3 more
doaj   +1 more source

Note on the occurrence in Tasmania of the freshwater crab, Hymensoma lacustris, Chilton [PDF]

open access: yes, 1919
Professor T. Thomson Flynn, of the University of Tasmania, of Hobart, has been good enough to send me some specimens of a small crab obtained by him in North- West Tasmania, which he thought belonged to the species Hymenosoma lacustris, Chilton ...
Chilton, Charles
core   +1 more source

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