Animali in via d’estinzione: per salvare i salmoni gli Usa aprono la caccia ai leoni marini

Come se la causa dell’estinzione dei salmoni fossero i predatori marini, i responsabili del NOAA hanno deciso che, per salvare una specie in pericolo, bisogna abbatterne un’altra. Capita così che un gruppo di leoni marini della California che ha trovato un “ristorante” sempre aperto di salmoni in via di estinzione alla base della diga di Bonneville, tra Oregon e Washington, è stato condannato a morte.

A parziale discolpa dei funzionari del Fisheries Service del NOAA c’è da dire che questa non è stata la prima soluzione a cui hanno pensato. Per liberare il fiume Columbia dei leoni marini le hanno provate tutte, dai petardi ai proiettili di gomma, ma senza riuscire a dissuaderli. E così ecco trovata la soluzione più drastica.

Negli ultimi dieci anni, i responsabili della sezione fauna selvatica incaricati di salvaguardare il viaggio dei salmoni in via di estinzione del bacino del fiume Columbia hanno registrato un numero crescente di leoni marini che frequentano la zona della California, e che hanno assunto come principale fonte di alimentazione i banchi di pesci protetti. Dal 2008, le autorità della diga di Bonneville hanno tentato di trasferire i leoni marini in un’altra zona, ma nemmeno questo è stato sufficiente.

Secondo un rapporto pubblicato sul sito web del NOAA che racconta l’azione, la decisione di uccidere i leoni marini predatori non è arrivata a cuor leggero.

Questa non è una decisione facile da prendere per la nostra agenzia, ma un’attenta analisi mostra che un piccolo numero di leoni marini della California sta predando i salmoni e sta avendo un effetto significativo sulla capacità di recupero degli stock ittici

afferma William W. Stelle Jr., amministratore regionale del Northwest Fisheries Service del NOAA. Secondo il nuovo piano, i funzionari di Washington e dell’Oregon avranno ora il permesso di uccidere 85 leoni marini ogni anno – solo una piccola parte dei quasi 5.000 animali presenti nell’area, nel tentativo di ridurre lo stress sui salmoni. Ma probabilmente se le attività umane non avessero già ridotto enormemente il numero di questi pesci, qualche decina di leoni marini in più non avrebbero rappresentato un problema.

Lontre e salmoni nel cuore di Londra: così il Tamigi torna a vivere
Un modo per ridurre le emissioni? Allevare salmoni come in Norvegia

[Fonte: Treehugger]

65 commenti su “Animali in via d’estinzione: per salvare i salmoni gli Usa aprono la caccia ai leoni marini”

  1. I simply want to say I am just newbie to blogging and site-building and really loved you’re blog. Most likely I’m planning to bookmark your blog post . You amazingly come with wonderful article content. Kudos for sharing with us your website.

    Rispondi
  2. Normally I do not read article on blogs, but I would like to say that this write-up very compelled me to try and do so! Your writing taste has been surprised me. Thanks, very nice article.

    Rispondi
  3. Thanks for some other informative web site. The place else may just I am getting that kind of info written in such a perfect manner? I have a challenge that I am just now running on, and I’ve been at the glance out for such information.

    Rispondi
  4. you are truly a good webmaster. The site loading pace is amazing. It sort of feels that you’re doing any distinctive trick. Furthermore, The contents are masterwork. you’ve done a fantastic activity on this subject!

    Rispondi
  5. I was just looking for this information for some time. After six hours of continuous Googleing, finally I got it in your site. I wonder what’s the lack of Google strategy that do not rank this kind of informative web sites in top of the list. Generally the top websites are full of garbage.

    Rispondi
  6. IMSC SEO is a Singapore SEO Company. They provide comprehensive Singapore SEO services to help SG businesses to gain traffic from search engine. Their SEO agency has many years of experiences working with overseas companies on more competitive grounds. They are the best seo company in Singapore you can find. Their SEO expert and consultant understand exactly what search engine optimization your company need to gain search engine traffic.

    http://www.shortmyurls.com/imsc-home-comment-general

    Rispondi
  7. Thank you for the sensible critique. Me & my neighbor were just preparing to do some research on this. We got a grab a book from our local library but I think I learned more clear from this post. I am very glad to see such magnificent information being shared freely out there.

    Rispondi
  8. What your saying is fully true. I know that everyone should say the similar matter, but I just feel that you put it in a way that every person can fully grasp. I also love the photographs you put in right here. They suit so nicely with what youre trying to say. Im guaranteed youll reach so a lot of people today with what youve obtained to say.

    http://www.repairloader.net/

    Rispondi
  9. Between me and my husband we’ve owned more MP3 players over the years than I can count, including Sansas, iRivers, iPods (classic & touch), the Ibiza Rhapsody, etc. But, the last few years I’ve settled down to one line of players. Why? Because I was happy to discover how well-designed and fun to use the underappreciated (and widely mocked) Zunes are.

    Rispondi
  10. IMSC SEO is a Singapore SEO Company. They provide comprehensive Singapore SEO services to help SG businesses to gain traffic from search engine. Their SEO agency has many years of experiences working with overseas companies on more competitive grounds. They are the best seo company in Singapore you can find. Their SEO expert and consultant understand exactly what search engine optimization your company need to gain search engine traffic.

    http://www.shortmyurls.com/imsc-home-comment-general

    Rispondi
  11. IMSC SEO is a Singapore SEO Company. They provide comprehensive Singapore SEO services to help SG businesses to gain traffic from search engine. Their SEO agency has many years of experiences working with overseas companies on more competitive grounds. They are the best seo company in Singapore you can find. Their SEO expert and consultant understand exactly what search engine optimization your company need to gain search engine traffic.

    http://www.shortmyurls.com/imsc-services-comment-exact

    Rispondi
  12. I really wish to inform you that I am new to blog posting and totally liked your report. More than likely I am inclined to store your blog post . You seriously have fabulous article materials. Truly Appreciate it for sharing with us your very own website page

    http://www.seoexpert1.info

    Rispondi
  13. I simply hope to tell you that I am new to writing a blog and genuinely admired your site. Most likely I am prone to store your blog post . You really have amazing article content. Admire it for discussing with us your main site article

    http://www.seo04.info

    Rispondi
  14. I just intend to reveal to you that I am new to having a blog and very much adored your page. Most likely I am probably to store your blog post . You absolutely have impressive article blog posts. Love it for giving out with us your very own internet site report

    http://www.losangelesseo2.info

    Rispondi
  15. you are in point of fact a excellent webmaster. The site loading speed is amazing. It seems that you are doing any distinctive trick. Also, The contents are masterwork. you’ve done a fantastic job in this topic!

    Rispondi
  16. Wonderful paintings! That is the kind of information that are supposed to be shared around the internet. Shame on the search engines for now not positioning this publish upper! Come on over and visit my website . Thanks =)

    Rispondi
  17. hi!,I really like your writing so a lot! proportion we keep in touch more about your post on AOL? I require an expert in this space to solve my problem. Maybe that is you! Having a look ahead to see you.

    Rispondi
  18. I will right away snatch your rss feed as I can’t find your email subscription link or e-newsletter service. Do you have any? Kindly let me recognise so that I may subscribe. Thanks.

    Rispondi

Lascia un commento

Questo sito usa Akismet per ridurre lo spam. Scopri come i tuoi dati vengono elaborati.