Kwenzeka ntoni kuLwandle lweMeditera?

IMeditera

El ulwandle lasemediterranean bekusoloko kusesichengeni kakhulu. Ngokungafaniyo nabanye, njengoLwandle lweCaribbean umzekelo, iyondliwa nguLwandlekazi lweAtlantic oludlula kumda owomileyo, waseGibraltar, omalunga ne-20km. Ukuba bekungavalwa, into esele yenzekile kwizigidi ezithandathu zeminyaka eyadlulayo, olu lwandle lwaluya kuphela. Kuyinyani ukuba okwangoku akunakwenzeka ukuba yenzeke kwakhona, kodwa inyani yile ayikho ngaphandle kweengxaki zayo.

Ingxelo eqhutywa ngaphakathi kwesikhokelo seSicwangciso seSizwe sokuziTshintsha kuTshintsho lweMozulu, esikhuthazwa liSebe lezoLimo kunye neNdalo, ityhila iziphumo esele zibonwa kule nxalenye yehlabathi, kunye neziphumo ezinokubakho kwixesha elifutshane neliphakathi. Ixesha.

Luluphi utshintsho olwenzekayo kuLwandle lweMeditera?

Olu lwandle luqala ukwahluka kuleya besiyazi kude kube ngoku. Iimpawu zayo ukutshintsha kakhulu. Ngokwengxelo, iingxaki ezenzekayo zezi:

  • Ubushushu bomhlaba buyanda phakathi 0,2ºC kunye no-0,7ºC kwishumi ngalinye. Kwamanye amanqaku, njengeColumbretes Islands Marine Reserve, ukunyuka kuphezulu: 0,04ºC.
  • Amanqanaba olwandle anyuka phakathi 2 kunye ne-10 mm ngonyaka.
  • Nciphisa ukuphakama kwamaza (-0,08cm / ngonyaka), enokubangelwa ikakhulu kukudumba okungaphantsi ebusika.
  • Ukufa okukhulu. Ngexesha lasehlotyeni elishushu, ngo-2003, xa kwimimandla emininzi amaqondo obushushu elwandle ayengu-1ºC okanye ngaphezulu, izilwanyana zaselwandle zinobunzima ngokwenene; Ngapha koko, inani leekorale zohlobo C. caespitosa, elihlala kwiiColumbretes Islands, lehle phakathi kwama-50 nama-80% phakathi konyaka wama-2003 nowama-2012.
  • Ukubonakala kweentlobo ezingezizo ezomthonyama, ezinje ngobomvu obomvu, ovela kuLwandlekazi lwaseIndiya kodwa ofikelele kwiMeditera ngeSuez Canal. Kodwa kukho ezinye, njengofudo olubomvu-eared okanye i-lionfish (leyo, ngasendleleni, ine-quill enetyhefu).
  • Ijellyfish iya kwanda. Ezi zilwanyana ziyinxalenye yehlobo laseMeditera, kodwa njengoko ulwandle lushushu, ziyavela ngaphambi kwelo xesha lonyaka. Ngo-2016, zibonwe ngenyanga ka-Epreli.

Yintoni ekulindeleke ukuba yenzeke kule minyaka imbalwa izayo?

Malta

Ukuba yonke into iyaqhubeka ngokufanayo, amaqondo obushushu elwandle ajikeleze usingasiqithi weIberia anokuphakama phakathi 2,5º kunye no-3ºC ukusukela ngoku kude kube sekupheleni kwenkulungwane. Ngokumalunga nenqanaba lolwandle, inokunyuka ijikeleze 40 kunye 60cm netyuwa nayo inyuka kwi-10m yokuqala.

Kwakhona, kulindeleke ukuba i-asidi. Kwaye oku kuya kuba sisisongelo esibi kuzo zombini iikorale, kunye nezinye izilwanyana, ezinje ngeminenga, kuba ukutya kwabo okuphambili, i-krill, kuya kuncitshiswa.

Ungayifunda ingxelo apha.


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  1. Uxanduva lwedatha: UMiguel Ángel Gatón
  2. Injongo yedatha: Ulawulo lwe-SPAM, ulawulo lwezimvo.
  3. Umthetho: Imvume yakho
  4. Unxibelelwano lwedatha: Idatha ayizukuhanjiswa kubantu besithathu ngaphandle koxanduva lomthetho.
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