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Acoustic playback is better than food to trap one of the worst invasive fishes.
J Environ Manage
December 2024
ENES, CRNL, Université Jean Monnet - Saint-Etienne, CNRS, Inserm, Saint-Etienne, France. Electronic address:
With the number of invasive alien species increasing globally, the management of invaded areas is constantly seeking innovative and effective solutions. Thanks to recent technological advances, acoustic signals are increasingly used in species management, either as an indicator of the presence of species or as a stimulus to repel species from risky areas or attract species for monitoring or eradication purposes. However, acoustic-based solutions are still rarely used by freshwater managers.
View Article and Find Full Text PDFDual roles of methoprene-tolerant gene in male molting and female reproduction of the tomato leafminer, (meyrick).
Front Physiol
November 2024
Key Laboratory of Surveillance and Management of Invasive Alien Species in Guizhou Education Department, College of Biological and Environmental Engineering, Guiyang University, Guiyang, China.
Article Synopsis
- - The tomato leafminer pest is significantly affected by the methoprene-tolerant (Met) protein, which plays a crucial role in regulating growth and development through juvenile hormone signaling.
- - Analysis showed that the Met protein is expressed in both male and female tomato leafminers, particularly during early pupal and adult stages, and is vital for ovarian development in females; its knockdown led to reduced egg laying and hatching rates.
- - In males, silencing the Met gene resulted in high mortality rates and severe physical deformities, indicating its importance for proper growth and development in both sexes.
Alien Rainbow Trout in the Balkhash Basin (Kazakhstan, Central Asia): 50 Years of Naturalization.
Animals (Basel)
October 2024
Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Yaroslavl Prov., 152742 Borok, Russia.
Rainbow trout, or mykiss (), is one of the most popular species used in aquaculture and has been naturalized worldwide, including in the Central Asian Balkhash basin, which has unique aboriginal fish fauna. Both rainbow trout from European farms and wild mykiss from Kamchatka were introduced to some mountain lakes and rivers of the Balkhash basin about 50 years ago. This study investigates the current distribution and life history traits of the alien species and its possible impact on the local fish fauna.
View Article and Find Full Text PDFInsect responses to seasonal time constraints under global change are facilitated by warming and counteracted by invasive alien predators.
Sci Rep
October 2024
Institute of Nature Conservation Polish Academy of Sciences, al. Adama Mickiewicza 33, 31-120, Kraków, Poland.
In seasonal environments, organisms with complex life cycles not only contend with seasonal time constraints (TC) but also increasingly face global change stressors that may interfere with responses to TC. Here, we tested how warming and predator stress imposed during the egg and larval stages shaped life history and behavioural responses to TC in the temperate damselfly Ischnura elegans. Eggs from early and late clutches in the season were subjected to ambient and 4 °C warming temperature and the presence or absence of predator cues from perch and signal crayfish.
View Article and Find Full Text PDFHumans and other animals develop remarkable behavioral specializations for identifying, differentiating, and acting on classes of ecologically important signals. Ultimately, this expertise is flexible enough to support diverse perceptual judgments: a voice, for example, simultaneously conveys what a talker says as well as myriad cues about her identity and state. Mature perception across complex signals thus involves both discovering and learning regularities that best inform diverse perceptual judgments, and weighting this information flexibly as task demands change.
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