Fishes, Free Full-Text
Por um escritor misterioso
Descrição
Hybridization between native and nonnative fish species is a major conservation issue, especially in ecosystems with high levels of endemism, such as Iberian streams. To date, hybridization with the invasive bleak Alburnus alburnus has been reported for the Iberian chub Squalius alburnoides and S. pyrenaicus and in scattered locations only. However, the bleak is spreading in the region, potentially increasing the risks of hybridization with other Squalius species. To gather a more comprehensive picture on the current geography of hybridization, we compiled records on hybrids between bleak and chub in Portugal and conducted genetical assessments of hybrids between bleak and S. carolitertii. We found that hybridization with bleak is widespread throughout Portuguese river basins and involves at least S. alburnoides, S. pyrenaicus and S. carolitertii. Hybridization with bleak may not only cause waste of reproductive effort and damage the genetic integrity of these endemic species but also promote shifts in the reproductive dynamics of the S. alburnoides hybrid complex, which includes individuals with various ploidy levels and combinations of parental genomes, reproducing sexually and asexually. We recommend that future studies characterize the fitness of bleak hybrids and their ecological and genetic interactions with native fish, in order to design effective conservation measures.
170+ Fish SVG Bundle , Fish Clipart, Fish Cut File, Fish Vector, Fish – SVGCrafties
Fathers Day Fish Sign, Fishing Sign, Fathers Day Gift, Gift for Husban – Custom Decor Direct
Animated self drawing of single continuous line draw beauty guppy fish for aquarium logo identity. Freshwater aquarium fish mascot concept for aquatic park icon. Full length one line animation. 13783152 Stock Video
Custom Engraved Fish Sign 28” x 6” - Two lines of text – Fish with multiple sign and text color choices - available in Wood or HDU
Aquarium fish : Dick Mills : Free Download, Borrow, and Streaming : Internet Archive
FISH LOGO LOGO
Gluten-Free Lunch - The Fish Hopper
Be A Mermaid In A Sea Of Fish Free Svg File - SVG Heart
Mobile Baykeeper, City of Mobile announce Can It Ya'll cleanup challenge
Petcurean NOW FRESH Grain-Free Fish Adult Recipe Dry Dog Food - 22 lb – Pet Life
Dirty Dolly Fishing Charters
FUN, BRIGHT PATTERNS, AND COLORS: CGK sheets are perfect for boys and girls, and toddlers with fun patterns making bedtime more exciting! Your son or
Kids Fish Blue Full 4 Piece Sheet Set – Boys, Girls, Teens, Toddler – Easy Fit Deep Pockets – Breathable, Hotel Quality Bedding Sheets - Machine
Are you looking for activities and lesson plan ideas for THE RAINBOW FISH? This read aloud picture book companion has comprehension discussion
RAINBOW FISH activities, worksheets & lesson plan ideas
Special Dashain Offer, Full set Aquarium with fish at only 2500, Free
de
por adulto (o preço varia de acordo com o tamanho do grupo)