Karadeniz Teknik \u00dcniversitesi (KT\u00dc) eski \u00f6\u011fretim \u00fcyesi Jeoloji M\u00fchendisi Prof. Dr. Osman Bekta\u015f, a\u015f\u0131r\u0131 avlanma ve kirlilikten sonra Karadeniz bal\u0131k\u00e7\u0131l\u0131\u011f\u0131n\u0131n iklim de\u011fi\u015fikli\u011fi tehdidi alt\u0131nda kald\u0131\u011f\u0131n\u0131 belirterek, \u201cB\u00f6lgesel \u0131s\u0131nma bir yandan karada a\u015f\u0131r\u0131 yaz ya\u011fmurlar\u0131 ve ta\u015fk\u0131nlara neden olurken, \u00f6te yandan \u0131s\u0131narak deniz suyu bile\u015fimi bozulan Karadeniz\u2019de bal\u0131k\u00e7\u0131l\u0131k olumsuz etkilenmektedir\u201d dedi.<\/p>\n
Ekosistemin bozulmas\u0131 nedeniyle son y\u0131llarda bal\u0131k\u00e7\u0131l\u0131\u011f\u0131n \u00f6nemli bir \u015fekilde geriledi\u011fini kaydeden Karadeniz Teknik \u00dcniversitesi (KT\u00dc) eski \u00f6\u011fretim \u00fcyesi Jeoloji M\u00fchendisi Prof. Dr. Osman Bekta\u015f, \u201cSon yap\u0131lan ara\u015ft\u0131rmalara g\u00f6re k\u00fcresel \u0131s\u0131nmadan dolay\u0131 t\u00fcm okyanuslarda, 1930-2010 tarihleri aras\u0131nda, bal\u0131k bollu\u011fu ortalama y\u00fczde 4,1 oran\u0131nda azalm\u0131\u015ft\u0131r. Ancak, jeolojik olarak Karadeniz\u2019e benzerli\u011fi olan Japon Denizinde b\u00f6lgesel \u0131s\u0131nmadan dolay\u0131 bal\u0131k bollu\u011fu ve t\u00fcr\u00fcndeki azalma son 80 y\u0131lda y\u00fczde 35\u2019e ula\u015fm\u0131\u015ft\u0131r. \u00d6te yandan \u0131s\u0131nan okyanuslar sadece bal\u0131klar\u0131 de\u011fil onlar\u0131n beslenme kaynaklar\u0131n\u0131 da yok ediyor. Okyanuslar\u0131n tahminlerden daha fazla \u0131s\u0131nmas\u0131, kirlenmesi ve a\u015f\u0131r\u0131 avlanma gelecek birka\u00e7 on y\u0131l i\u00e7inde evrensel boyutta bal\u0131k bollu\u011funda \u00e7ok daha \u00f6nemli azalmalara neden olabilecektir. Bal\u0131k, Do\u011fu Asya \u00fclkelerindeki d\u00fc\u015f\u00fck gelirli halk i\u00e7in \u00f6nemli bir protein kayna\u011f\u0131d\u0131r. Ancak ekosistemin bozulmas\u0131 nedeniyle bu b\u00f6lgelerde de son y\u0131llarda bal\u0131k\u00e7\u0131l\u0131k \u00f6nemli bir \u015fekilde gerilemi\u015ftir\u201d dedi.<\/p>\n
\u201cKaradeniz\u2019in \u0131s\u0131nmas\u0131 okyanuslar i\u00e7in rol modeldir\u201d<\/p>\n
Is\u0131ya ba\u011fl\u0131 olarak yap\u0131s\u0131 ve ekolojisi bozulan Karadeniz\u2019de bal\u0131k bollu\u011fu ve t\u00fcr\u00fcnde de azalmalar\u0131n olabilece\u011finin bilim adamlar\u0131n\u0131n ortak g\u00f6r\u00fc\u015f\u00fc oldu\u011funu vurgulayan Bekta\u015f, \u201cK\u00fcresel \u0131s\u0131nman\u0131n okyanuslar \u00fczerindeki g\u00fcn\u00fcm\u00fczde ve gelecekteki etkisinin nas\u0131l ve ne kadar olaca\u011f\u0131n\u0131 anlayabilmek i\u00e7in bilim d\u00fcnyas\u0131 daha k\u00fc\u00e7\u00fck boyuttaki Karadeniz\u2019i bir rol model olarak se\u00e7mi\u015ftir. Bu nedenle son y\u0131llarda Karadeniz\u2019in \u0131s\u0131nmas\u0131 ve deniz suyunun \u00f6zelli\u011finin de\u011fi\u015fmesini konu alan yo\u011fun ara\u015ft\u0131rmalar yap\u0131lm\u0131\u015f ve yap\u0131lmaya devam etmektedir. Hi\u00e7 \u015f\u00fcphe yok ki \u0131s\u0131ya ba\u011fl\u0131 olarak yap\u0131s\u0131 ve ekolojisi bozulan Karadeniz\u2019de bal\u0131k bollu\u011fu ve t\u00fcr\u00fcnde de azalmalar\u0131n olabilece\u011fi bilim adamlar\u0131n\u0131n ortak g\u00f6r\u00fc\u015f\u00fcd\u00fcr. \u00c7\u00fcnk\u00fc canl\u0131lar her zaman kendileri i\u00e7in daha uygun ya\u015fam ortamlar\u0131 ararlar ve bu y\u00fczden de g\u00f6\u00e7 ederler\u201d \u015feklinde konu\u015ftu.<\/p>\n
\u201cKaradeniz\u2019de bal\u0131k\u00e7\u0131l\u0131k tehdit alt\u0131nda\u201d<\/p>\n
Karadeniz\u2019in deniz suyunun \u0131s\u0131, oksijen ve tuzluluk bak\u0131m\u0131ndan \u00fc\u00e7 farkl\u0131 katmandan olu\u015ftu\u011funu vurgulayan Bekta\u015f, \u201c50 metre derinlikte, 8 derece s\u0131cakl\u0131ktaki ara so\u011fuk katman \u00fcsteki oksijenli ve daha az tuzlu \u00fcst katmanla alttaki oksijensiz ve daha tuzlu alt katman aras\u0131nda yer al\u0131r. Karadeniz B\u00f6lgesinde, iklim de\u011fi\u015fikli\u011fi nedeniyle son 25 y\u0131ldan bu yana k\u0131\u015flar\u0131n \u0131l\u0131man ge\u00e7mesi ara so\u011fuk katman\u0131n \u0131s\u0131nmas\u0131na neden olmu\u015ftur. Is\u0131nan so\u011fuk ara katman zamanla alttaki oksijensiz ve \u00fcstteki oksijenli su katmanlar\u0131 ile kar\u0131\u015farak Karadeniz\u2019in kendine \u00f6zg\u00fc deniz suyu \u00f6zelli\u011fi kaybolmaya ba\u015flam\u0131\u015ft\u0131r. Denizdeki yeni ya\u015fam ko\u015fullar\u0131na kimi bal\u0131klar uyum sa\u011flamaya \u00e7al\u0131\u015f\u0131rken kimileri yok olacak kimileri de bulunduklar\u0131 b\u00f6lgeden daha uygun ko\u015fullar\u0131n oldu\u011fu yerlere g\u00f6\u00e7 edecektir. Sonu\u00e7 olarak \u00f6n\u00fcm\u00fczdeki y\u0131llarda kirlenme ve a\u015f\u0131r\u0131 avlanma yan\u0131 s\u0131ra b\u00f6lgesel \u0131s\u0131nma nedeniyle Karadeniz\u2019de bal\u0131k t\u00fcr\u00fc ve bollu\u011funda \u00f6nemli azalmalar\u0131n g\u00f6r\u00fclmesi ola\u011fan olabilecektir\u201d ifadelerini kulland\u0131.<\/p>\n","protected":false},"excerpt":{"rendered":"
KARADEN\u0130Z TEKN\u0130K \u00dcN\u0130VERS\u0130TES\u0130 (KT\u00dc) ESK\u0130 \u00d6\u011eRET\u0130M \u00dcYES\u0130 JEOLOJ\u0130 M\u00dcHEND\u0130S\u0130 PROF. DR. OSMAN BEKTA\u015e, A\u015eIRI AVLANMA VE K\u0130RL\u0130L\u0130KTEN SONRA KARADEN\u0130Z BALIK\u00c7ILI\u011eININ \u0130KL\u0130M DE\u011e\u0130\u015e\u0130KL\u0130\u011e\u0130 TEHD\u0130T\u0130 ALTINDA KALDI\u011eINI BEL\u0130RTEREK, \u201cB\u00d6LGESEL ISINMA B\u0130R YANDAN KARADA A\u015eIRI YAZ YA\u011eMURLARI VE TA\u015eKINLARA NEDEN OLURKEN \u00d6TE YANDAN ISINARAK DEN\u0130Z SUYU B\u0130LE\u015e\u0130M\u0130 BOZULAN KARADEN\u0130Z DE BALIK\u00c7ILIK OLUMSUZ ETK\u0130LENMEKTED\u0130R\u201d DED\u0130.<\/p>\n","protected":false},"author":1,"featured_media":193647,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[6469,4167,48495,523,36120,9089,8054,48494],"class_list":["post-193646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel","tag-balik","tag-bolgesel","tag-bollugunu","tag-ediyor","tag-isinma","tag-karadenizde","tag-tehdit","tag-turunu"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.tvturk.com\/wp-content\/uploads\/2019\/08\/bolgesel-isinma-karadenizde-balik-turunu-ve-bollugunu-tehdit-ediyor_c6e4c80.jpg?fit=1000%2C666","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paKIfm-Onk","_links":{"self":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/posts\/193646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/comments?post=193646"}],"version-history":[{"count":0,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/posts\/193646\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/media\/193647"}],"wp:attachment":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/media?parent=193646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/categories?post=193646"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/tags?post=193646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}