Unprecedented algae growth in some lakes could be linked to the decline of water calcium levels and the subsequent loss of an important algae-grazing organism that helps keep blooms at bay.
Environment
Sep 28, 2011
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0
The active ingredients found in sunscreen have detrimental effects on freshwater ecosystems, according to new research by University of Alberta biologists.
Ecology
Sep 2, 2020
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226
Two new studies by Osaka University researchers provide insights on why male and female bodies of the same species differ. The studies show factors that regulate the expression of doublesex1, a gene responsible for the growth ...
Plants & Animals
Nov 8, 2017
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5
Water fleas of the genus daphnia detect via chemical substances if their predators, namely Chaoborus larvae, are hunting in their vicinity. If so, they generate defences that make them more difficult to consume. The signalling ...
Plants & Animals
Nov 27, 2018
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9
Water fleas, or Daphnia, could provide an important 'early warning system' for chemical pollution in our lakes and rivers.
Ecology
Sep 28, 2022
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76
Water fleas can thwart their enemies by growing defensive structures such as helmets and spines. What's more, this predator-induced 'arming' process is not a one-size-fits-all approach - they can even tailor their defensive ...
Plants & Animals
Jul 6, 2016
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7
Imagine that the players on your favourite football team were smaller than their opponents, and had to play without helmets or pads. Left defenseless, they would become easy prey for other teams. Similarly, changes in Canadian ...
Ecology
Sep 6, 2012
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Life for the common water flea Daphnia must be tough. As a favorite meal choice for aquatic predators, they may need to make some creative morphological or behavioral changes for survival.
Plants & Animals
Jul 19, 2023
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1
A new study shows that the roots used by three close species of microscopic Daphnia crustaceans to settle across the territory of Northern Eurasia differed greatly. The findings shed light on how continental freshwater fauna ...
Plants & Animals
Dec 18, 2018
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1
Daphnia are tiny crustaceans, or "water fleas," that are extremely adaptable to their environment. This is due to their remarkable phenotypic plasticity, i.e., their ability to change their form or behavior despite their ...
Evolution
May 13, 2024
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