Publications by authors named "A Kouba"
Article Synopsis
- * A new online portal has been developed to provide up-to-date global distribution data for crayfish and their pathogens, improving accessibility and management decisions.
- * This database is publicly available, allowing users to easily view, embed, and download data, aiming to enhance conservation planning and biodiversity management in the future.
Biological invasions pose a major threat to biodiversity, ecosystem functioning, and human well-being. Non-native species can have severe ecological impacts that are transformative, affecting ecosystems across both short-term and long-term timescales. However, few studies have determined the temporal dynamics of impact between these scales, impeding future predictions as invasion rates continue to rise.
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- A study investigated the effects of diphenhydramine (DPH), an antihistamine found in global water sources, on marbled crayfish (Procambarus virginalis) over a 96-hour exposure period, focusing on CYP metabolism and oxidative stress.* -
- The crayfish showed CYP activity through specific substrates, indicating functions similar to mammalian detoxification, but higher DPH concentrations led to a slight reduction in transformation activities.* -
- Antioxidant enzyme responses were significantly altered in the gills and hepatopancreas due to DPH exposure, with gills identified as the key tissue for assessing DPH toxicity in these aquatic organisms.*
In the current anthropogenic era characterised by human-induced environmental changes, long-term biomonitoring has become a crucial component for understanding ecological patterns and detecting shifts in biodiversity. However, spatiotemporal inconsistencies in biomonitoring efforts hinder transboundary progress in understanding and mitigating global environmental change effectively. The International Long-Term Ecosystem Research (ILTER) network is one of the largest standardised biomonitoring initiatives worldwide, encompassing 44 countries globally, including 26 European countries that are part of the European Long-Term Ecosystem Research network (eLTER).
View Article and Find Full Text PDFamphibian populations can experience reproductive dysfunction due to the absence of environmental cues that trigger reproductive events. Assisted reproductive technologies (ART) for amphibians, specifically exogenous hormone regimens, can circumvent these external signals to induce gametogenesis and gamete release. Currently, the use of the mammalian reproductive hormones gonadotropin-releasing hormone (GnRH) and human chorionic gonadotropin (hCG) are used in a species-specific manner to stimulate amphibian breeding.
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