Results 21 to 30 of about 22,005 (227)

Microplastic burden in invasive signal crayfish (Pacifastacus leniusculus) increases along a stream urbanization gradient

open access: yesEcology and Evolution, 2023
Microplastics are a globally pervasive pollutant with the potential to directly impact species and accumulate in ecosystems. However, there remains a relative paucity of research addressing their accumulation in freshwater ecosystems and a near absence ...
Abigail R. Dent   +6 more
doaj   +1 more source

Penambahan Suplemen Madu dalam Pakan Guna Meningkatkan Pertumbuhan Dan Kelulushidupan Benih Lobster Air Tawar Red Claw (Cherax quadricarinatus)
[The Addition Supplement Of Honey In Feed To Increasing Growth And Survival Rate Of Freshwater Crayfish Seed Red Claw (Cherax quadricarinatus) ]

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2010
The demand for domestic or worldwide market to freshwater crayfish is high. Wherefor, needed some cultivation to reach that demand. The growth period of freshwater crayfish is slowly, then to increase growth needed addition some supplement in the feed ...
Akhmad Taufiq Mukti   +3 more
doaj   +1 more source

Tracing the origin of the crayfish plague pathogen, Aphanomyces astaci, to the Southeastern United States

open access: yesScientific Reports, 2021
The oomycete Aphanomyces astaci is an emerging infectious pathogen affecting freshwater crayfish worldwide and is responsible for one of the most severe wildlife pandemics ever reported.
Laura Martín-Torrijos   +5 more
doaj   +1 more source

Overlooked keystone species in conservation plans of fluvial ecosystems in Southeast Europe: a review of native freshwater crayfish species

open access: yesKnowledge and Management of Aquatic Ecosystems, 2022
Although a large number of rivers stretches in Southeast Europe (SEE) have a pristine status compared to the rest of Europe, these ecosystems and their freshwater biodiversity are perceptibly threatened.
Danilović Milan   +2 more
doaj   +1 more source

The freshwater and land crayfish of Australia [PDF]

open access: yesMemoirs of the National Museum, Melbourne, 1938
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

'Leaves and Eats Shoots': Direct Terrestrial Feeding Can Supplement Invasive Red Swamp Crayfish in Times of Need [PDF]

open access: yes, 2012
PMCID: PMC3411828This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are ...
Jonathan Grey   +2 more
core   +9 more sources

HAZARD ANALYSIS OF EXOTIC PATHOGENS OF POTENTIAL THREAT TO EUROPEAN FRESHWATER CRAYFISH.

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
Managers, scientists, fishermen and farmers who work with freshwater crayfish understand clearly the severe affects that the introduction of an exotic pathogen can have on freshwater crayfish populations.
EDGERTON B. F.
doaj   +1 more source

Evaluating techniques for sampling stream crayfish (paranephrops planifrons) [PDF]

open access: yes, 1997
We evaluated several capture and analysis techniques for estimating abundance and size structure of freshwater crayfish (Paranephrops planifrons) (koura) from a forested North Island, New Zealand stream to provide a methodological basis for future ...
Brant T. M.   +9 more
core   +2 more sources

The amount of environmental DNA increases with freshwater crayfish density and over time

open access: yesEnvironmental DNA, 2022
Over the last years, the analysis of environmental DNA (eDNA) has become an important approach to investigate species communities. Due to its non‐invasive nature and high sensitivity, this method is excellently suited to monitor the occurrence of ...
Daniela Sint   +4 more
doaj   +1 more source

Distribution and abundance of fish and crayfish in a Waikato stream in relation to basin area [PDF]

open access: yes, 2003
The aim of this study was to relate the longitudinal distribution of fish and crayfish to increasing basin area and physical site characteristics in the Mangaotama Stream, Waikato region, North Island, New Zealand.
Allen K. R.   +14 more
core   +2 more sources

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