Researchers in Hawaii found that
guppies released in the 1920s drove down native fish populations, perhaps by competing with them for food and living space, and had likely changed the cycle of nutrients in water: Guppy - rich areas showed increased levels of dissolved nitrogen — from ammonium in fish urine and gill excretions — which, in turn, stimulated algae growth.
At its most posthumously successful, stored ghost sperm sired about one in four of the offspring among wild
guppies released into a stream, evolutionary biologist Andrés López - Sepulcre of École Normale Supérieure in Paris and his colleagues report June 5 in Proceedings of the Royal Society B.
«If someone comes out and says, «Actually it doesn't work and it's going to cause you a problem,» that can decrease the chance that the government would be more open to trying [
guppy release] on a large scale,» he says.
Although the benefits and risks of
guppy releases may be highly context - dependent, some researchers are simply taking a hard line.
Not exact matches
Paula K. Allen, Senior Vice President, Nickelodeon Global Publishing mentioned during a press
release that «The continued success of SpongeBob SquarePants, Dora the Explorer, Team Umizoomi, and Bubble
Guppies has given us tremendous opportunity to develop engaging reading experiences and extend the storytelling and educational curriculum featured in our programming,» said Allen.