Invasive species have become an increasingly big threat to indigenous ones as the spread of alien animals and plants has accelerated with the growth of global trade. Some can be very destructive, while some live in close ...
Ecology
Sep 17, 2019
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5
Environmental DNA (eDNA) has successfully proven the presence of invasive crayfish in almost all the small streams around Lake Akan in Japan, suggesting that eDNA analysis is an efficient and highly sensitive method to assess ...
Ecology
Aug 21, 2019
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Spanish National Research Council (CSIC) researchers have reconstructed the invasion routes followed by the red swamp crayfish during its human-driven expansion based on the analysis of a mitochondrial gene (COI), which was ...
Plants & Animals
May 16, 2019
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5
Research reveals that an invasive crayfish species is easier to detect in water samples during breeding, which could lead to better control.
Ecology
Aug 25, 2017
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3
A new paper published in the Journal of Crustacean Biology provides an updated classification system that includes all the known crayfishes worldwide. This makes available a single, comprehensive taxonomic summary of all ...
Plants & Animals
Aug 8, 2017
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5
Few studies have investigated how prior social experience affects sensitivity to alcohol, but now a study from the University of Maryland shows that sociable crayfish are more sensitive than loners and suggests that similar ...
Plants & Animals
Apr 19, 2017
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15
Every plant and animal has a unique genetic composition, which makes a lake like a bowl of DNA soup—every spoonful contains the combined DNA of the lake's inhabitants. Scientists have only recently begun using this environmental ...
Ecology
Sep 21, 2016
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7
While macroinvertebrates are a tasty food source for crayfish, a new study reveals a surprising finding: When crayfish were present in in-stream experimental enclosures, macroinvertebrate density was higher, not lower.
Ecology
Apr 21, 2016
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31
Ecologists have found that Murray crayfish numbers plunged 90 per cent in a high country river after their habitat was lost.
Ecology
Mar 4, 2016
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2
With its orange to greenishly orange motley tip, the new crayfish species has been long-confused with its relatives by the tradesmen who have been collecting them for ornamental purposes. Being exported to countries in Europe, ...
Ecology
Aug 25, 2015
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