Mun yi nisa daga “Silent Seas”

Wannan blog ɗin ya fara fitowa a kan Hayaniyar Tekun bulogi daga Binciken Kiyayewar Tekun

Yana da ban mamaki mutane nawa a fagen ilimin kimiyyar teku da kiredit Jacques Cousteau a matsayin ilham don son teku. A dai-dai lokacin da kalar talabijin ke ta ƙaura zuwa cikin falon Amurka Cousteau ya kasance yana ba da wani yanki mai ban sha'awa da ban sha'awa na halitta psychedelia don dagula tunaninmu. Ba tare da Cousteau's Self Contained Underwater Breathing Apparatus (SCUBA) da Hotunan masu haɗin gwiwa Luis Marden zai yi wuya a yi tunanin inda ci gaban kimiyyar teku (ko yanayin teku) zai kasance a yanzu. Cewa mutane da yawa sun jawo son teku ta hanyar sadaukarwar Cousteau shaida ce ga tasirin da mai hangen nesa zai iya yi a duniya.

Abin baƙin ciki, ya rasa wani ɗan ƙaramin batu: Ta hanyar tsara aikin da ya fi shahara a ƙarƙashin rubutun "Duniya Silent"Wani muhimmin sashi na binciken muhallin teku ya fara a makare. Sai dai itace cewa yayin da akwai wata babbar launi pallet tsakanin biota zaune a cikin epipelagic ko yankin hasken rana a cikin teku (200m da kuma sama), abin da ya dace a ko'ina cikin ginshiƙin ruwa shine fahimtar sauti da gaske "yana mulkin roost." Ganin cewa halittun teku da yawa suna rayuwa a cikin ruwa mai tauri da duhu ko duhu inda ba a iya gani ba, mai yiyuwa ne ba a gano nau'in daidaitawar sautin a cikin tekun ba.

Abin kunyar wannan shine cewa yayin da muke samun alamu game da abubuwan jin daɗin rayuwar ruwa, yawancin masana'antu, kasuwanci, da haɗin gwiwar soja tare da teku sun ci gaba a ƙarƙashin kuskuren cewa tekun "Duniya ce mai shiru," kuma inda ka'idodin taka tsantsan. an share shi don dacewa.

Hakika shaharar da “Wakokin Humpback Whale"kuma binciken farko a cikin dabbar dolphin bio-sonar ya haifar da mutane da yawa don yin sauri a kan dabbobin mu na ruwa "'yan uwan ​​​​fahimi," amma ban da kifin da ya ƙare. audiometry aikin da aka yi Art Popper da Richard Fay, ƙananan ji - kuma watakila mafi mahimmanci, ƙananan halittu yanayin sauti an yi nazari da kifi a hankali. Yanzu ya zama ƙara bayyana cewa hatta invertebrates na ruwa suna dogara ne akan fahimtar sauti - kuma ana yin tasiri ta hanyar hayaniyar da mutum ya haifar.

Wani bincike na baya-bayan nan da aka buga a Rahoton Kimiyyar Halitta ya bayyana cewa hayaniyar jigilar kayayyaki na lalata ci gaban tayin da kuma rayuwar kurege na teku da kusan kashi 20%. Daga cikin sauran ayyuka, waɗannan dabbobi suna kiyaye murjani daga algae - muhimmin aiki yana ba da duk sauran matsalolin muhalli wanda murjani ke fama da shi a halin yanzu.

Hayaniya da kanta na iya zama alamar lafiyayyar wuraren zama na murjani - gwargwadon yadda matsuguni masu kyau suna da yawa tare da hayaniyar halitta. Wata takarda da aka buga kwanan nan a Ci gaban Ilimin Halittar Ruwa yana ba da shawarar cewa hayaniyar halittu alama ce ta lafiyar raƙuman ruwa da bambance-bambance kuma tana aiki azaman alamar kewayawa ga dabbobin da za su so su zauna cikin unguwa. Kyakkyawan, mai yawa, da hayaniyar halittu daban-daban na haifar da ƙarin hayaniyar halittu daban-daban. Amma idan wannan hayaniyar nazarin halittu ta rufe ta da "smog" acoustical to za a ɓoye daga sababbin ma'aikata.

Tabbas abubuwan da wannan ke tattare da su dangane da hayaniyar masana'antu na dogon lokaci suna da nisa sosai. Yayin da yawancin hayaniyar masana'antu da sojoji ragewa An mai da hankali kan hana bala'in mutuwar dabbobi masu shayarwa na ruwa, idan kifayen da ba su da kariya da invertebrates da mazauninsu sun faɗi ga lalacewa na dogon lokaci daga ƙaramar ƙarar ƙararrawa sakamakon ƙarshen zai iya zama mafi muni: “Duniya shiru” ta ilimin halitta tare da rumble na masana'antu kawai. hayaniya a ji.