{"id":12373,"date":"2020-04-24T17:00:00","date_gmt":"2020-04-24T14:00:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=12373"},"modified":"2020-04-24T12:31:42","modified_gmt":"2020-04-24T09:31:42","slug":"sokkolo-negyedevel-csokkent-az-elmult-harminc-evben-a-rovarok-szama","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=12373&lang=hu","title":{"rendered":"Sokkol\u00f3: negyed\u00e9vel cs\u00f6kkent az elm\u00falt harminc \u00e9vben a rovarok sz\u00e1ma"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"429\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/04\/katica.jpg\" alt=\"\" class=\"wp-image-12374\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/04\/katica.jpg 644w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/04\/katica-300x200.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"> <strong>A F\u00f6ld\u00f6n \u00e9l\u0151 rovarok sz\u00e1ma az elm\u00falt harminc \u00e9vben csaknem 25 sz\u00e1zal\u00e9kkal cs\u00f6kkent, ami a kutat\u00f3k szerint komoly aggodalmakra adhat okot. A leggyorsabb hanyatl\u00e1st Eur\u00f3p\u00e1ban tapasztalt\u00e1k, amelynek t\u00e9nye szinte sokkolta a tud\u00f3sokat.<\/strong> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Harminc \u00e9vnyi adatok elemeztek<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> A lipcsei Integr\u00e1lt Biodiverzit\u00e1s Kutat\u00e1si K\u00f6zpont (Centre for Integrative Biodiversity Research) elemz\u00e9se 1990-t\u0151l napjainkig vizsg\u00e1lta a rovarok sz\u00e1m\u00e1nak alakul\u00e1s\u00e1t. Az elemz\u00e9s sor\u00e1n 166 hossz\u00fa t\u00e1v\u00fa felm\u00e9r\u00e9s eredm\u00e9nyeit kombin\u00e1lt\u00e1k, amelyhez az adatokat k\u00f6zel 1700 helyr\u0151l gy\u0171jt\u00f6tt\u00e9k \u00f6ssze.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tud\u00f3sok arra jutottak, hogy mik\u00f6zben a rovarok sz\u00e1ma az elm\u00falt harminc \u00e9vben csaknem 25 sz\u00e1zal\u00e9kkal cs\u00f6kkent, egyes fajok m\u00e9gis k\u00e9pesek voltak megc\u00e1folni az \u00e1ltal\u00e1nosan cs\u00f6kken\u0151 tendenci\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez ut\u00f3bbiban k\u00fcl\u00f6n\u00f6sen \u00e9len j\u00e1rnak az \u00e9desv\u00edzi rovarok, amelyek popul\u00e1ci\u00f3ja minden \u00e9vtizedben 11 sz\u00e1zal\u00e9kkal n\u00f6vekedett, miut\u00e1n a term\u00e9szetv\u00e9d\u0151k er\u0151fesz\u00edt\u00e9seket tettek a kor\u00e1bban szennyezett foly\u00f3k \u00e9s tavak megtiszt\u00edt\u00e1s\u00e1ra. \u0150k azonban csak a rovarfajok k\u00f6r\u00fclbel\u00fcl 10 sz\u00e1zal\u00e9k\u00e1t k\u00e9pviselik, \u00e9s nem tudj\u00e1k beporozni a n\u00f6v\u00e9nyeket.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e1ad\u00e1sul a rovarokr\u00f3l a vil\u00e1g sz\u00e1mos r\u00e9gi\u00f3j\u00e1ban \u2013 p\u00e9ld\u00e1ul D\u00e9l-Amerik\u00e1ban, D\u00e9l-\u00c1zsi\u00e1ban \u00e9s Afrik\u00e1ban \u2013 igen kev\u00e9s adat \u00e1ll a kutat\u00f3k rendelkez\u00e9s\u00e9re. Azonban az \u00e9l\u0151helyek gyors megsemmis\u00edt\u00e9se, a gazd\u00e1lkod\u00e1s terjed\u00e9se \u00e9s az urbaniz\u00e1ci\u00f3 val\u00f3sz\u00edn\u0171leg ezeken a ter\u00fcleteken is jelent\u0151sen cs\u00f6kkenti a rovarpopul\u00e1ci\u00f3kat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e9lk\u00fcl\u00f6zhetetlenek az \u00f6kosziszt\u00e9m\u00e1khoz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> A rovarok n\u00e9lk\u00fcl\u00f6zhetetlenek az \u00f6kosziszt\u00e9m\u00e1khoz az emberis\u00e9g sz\u00e1m\u00e1ra: beporozz\u00e1k a n\u00f6v\u00e9nyeket, t\u00e1pl\u00e1l\u00e9kot ny\u00fajtanak m\u00e1s l\u00e9nyek sz\u00e1m\u00e1ra, \u00e9s \u00fajrahasznos\u00edtj\u00e1k a term\u00e9szet hullad\u00e9kait. A tanulm\u00e1ny ez\u00e9rt az \u201eemberis\u00e9g fennmarad\u00e1s\u00e1ra gyakorolt katasztrof\u00e1lis k\u00f6vetkezm\u00e9nyekre&#8221; is figyelmeztet. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"429\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/04\/20191013meh.jpg\" alt=\"\" class=\"wp-image-12375\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/04\/20191013meh.jpg 644w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/04\/20191013meh-300x200.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;A tanulm\u00e1nyunk eredm\u00e9nyek\u00e9nt kapott 24-25 sz\u00e1zal\u00e9kos vesztes\u00e9g komoly aggodalomra ad okot \u2013 mondta Roel van Klink, a lipcsei Integr\u00e1lt Biodiverzit\u00e1s Kutat\u00e1si K\u00f6zpont kutat\u00f3ja a The Guardian online tudom\u00e1nyos port\u00e1lj\u00e1nak. \u2013 Ez pontosan a negyed\u00e9vel kevesebb, mint amikor m\u00e9g gyerek voltam; pedig az embereknek nem \u00e1rtana szem el\u0151tt tartaniuk, hogy t\u00e1pl\u00e1l\u00e9kunk val\u00f3ban nagyban f\u00fcgg a rovarokt\u00f3l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Science tudom\u00e1nyos foly\u00f3iratban publik\u00e1lt kutat\u00e1s azt is megvizsg\u00e1lta, hogy a vesztes\u00e9g m\u00e9rt\u00e9ke hogyan v\u00e1ltozott az id\u0151 m\u00fal\u00e1s\u00e1val.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A helyzet Eur\u00f3p\u00e1ban egyre rosszabb\u00e1 v\u00e1lik, ami a szakemberek szerint \u201efelt\u0171n\u0151 \u00e9s sokkol\u00f3&#8221;, \u00e1m az okair\u00f3l egyel\u0151re m\u00e9g csak tal\u00e1lgatnak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> A legf\u0151bb \u201eb\u0171n\u00f6s\u00f6kk\u00e9nt&#8221; legink\u00e1bb a v\u00e1rosok terjeszked\u00e9s\u00e9t \u00e9s a rovarok term\u00e9szetes \u00e9l\u0151helyeinek elveszt\u00e9s\u00e9t, valamint a peszticideket jel\u00f6lik meg. M\u00e1s szak\u00e9rt\u0151k becsl\u00e9se szerint m\u00e1r a rovarok 50 sz\u00e1zal\u00e9ka elt\u0171nt az elm\u00falt 50 \u00e9vben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Forr\u00e1s: origo<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A F\u00f6ld\u00f6n \u00e9l\u0151 rovarok sz\u00e1ma az elm\u00falt harminc \u00e9vben csaknem 25 sz\u00e1zal\u00e9kkal cs\u00f6kkent, ami a kutat\u00f3k szerint komoly aggodalmakra adhat okot. A leggyorsabb hanyatl\u00e1st Eur\u00f3p\u00e1ban tapasztalt\u00e1k, amelynek t\u00e9nye szinte sokkolta a tud\u00f3sokat. <\/p>\n","protected":false},"author":4,"featured_media":12374,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,598,39],"tags":[2462],"class_list":["post-12373","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tudomany","category-vilag","tag-kornyezetszennyezes"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/12373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12373"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/12373\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/12374"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}