Na lishaka li ne li tla atleha tikolohong ea leoatle?

Selelekela: Lishaka le Tikoloho ea Leoatle

Lishaka ke libōpuoa tse tsotehang tse bileng teng ka leoatleng ka lilemo tse fetang limilione tse 400. Ke ba sehlopha sa Chondrichthyes 'me ba khetholloa ke masapo a bona a lefufuru, likheo tse hlano ho isa ho tse supileng mahlakoreng a lihlooho tsa bona, le tlhaho ea bona ea ho hlasela. Lishaka li fetohile hore li atlehe tikolohong ea leoatle, li sebelisa meno a tsona a bohale, mehlahare e matla le 'mele e bonolo ho tsoma le ho phela sebakeng se seholo sa leoatle.

Phetoho ea Lishaka le Litloaelo tsa tsona

Lishaka ke libōpuoa tse tsoetseng pele haholo tse ikamahanyang le tikoloho ea tsona ea leoatle ka litsela tse ikhethang. 'Mele ea tsona e otlolohileng le mehatla ea tsona e bōpehileng joaloka khoeli e li thusa ho sesa hantle ka metsing, ha masela a tsona a li lumella ho ntša oksijene metsing. Mokhoa oa bona oa ho amohela motlakase o ba lumella ho lemoha matšoao a motlakase a hlahisoang ke liphoofolo tse ling ka metsing, ho ba fa monyetla ha ba tsoma phofu. Ho phaella moo, meno a tsona a bohale le mehlahare ea tsona e matla li li lumella ho ja liphofu tse fapa-fapaneng, tse akarelletsang litlhapi, squid le liphoofolo tse anyesang tsa metsing.

Karolo ea Lishaka Sebakeng sa Ecosystem ea Leoatle

Lishaka li bapala karolo ea bohlokoa tikolohong ea maoatle. Ke libatana tse ka sehloohong tse thusang ho laola palo ea liphoofolo tse ling tsa metsing, ho boloka botsitso bo botle tikolohong ea tikoloho. Ka ho laola bongata ba litlhapi tse nyenyane, lishaka li ka thibela ho tlala ha baahi le ho sireletsa bophelo bo botle ba mafika a likorale le libaka tse ling tsa leoatle. Ho feta moo, lishaka ke li-scaveners tsa bohlokoa, li ja liphoofolo tse shoeleng le ho thusa ho boloka leoatle le hloekile.

Kakaretso ea Baahi ba Hona Joale Lishaka

Ho sa tsotellehe bohlokoa ba tsona tikolohong ea leoatle, palo ea lishaka tse ngata e ntse e fokotseha. Ho latela Mokhatlo oa Machaba oa Paballo ea Tlhaho (IUCN), hoo e ka bang kotara ea mefuta ea lishaka le ray e kotsing ea ho timela. Ho tšoasa litlhapi ho feta tekano le ho senngoa ha libaka tsa bolulo ke tse peli tsa lisosa tse kholo tsa ho fokotseha ha palo ea lishaka.

Kameho ea Mesebetsi ea Batho ho Baahi ba Lishaka

Liketso tsa batho, tse kang ho tšoasa litlhapi ho feta tekano le ho senngoa ha libaka tsa leoatleng, li na le tšusumetso e khōlō ho lishaka. Hangata lishaka li tšoasoa e le ntho e tšoasang matlooa a ho tšoasa litlhapi 'me li boetse li tobisitsoe bakeng sa mapheo a tsona, a sebelisoang ho sopho ea mapheo a shaka. Ho phaella moo, ho senngoa ha mepopotlo ea likorale le libaka tse ling tse phelang leoatleng ho ka lebisa ho theoheng ha phofu e fumanehang bakeng sa lishaka, e leng ho mpefatsang ho fokotseha ha tsona.

Phetoho ea Tlelaemete le Liphello tsa eona ho Lishaka

Phetoho ea boemo ba leholimo e boetse e na le tšusumetso ho baahi ba lishaka. Ha mocheso oa leoatle o ntse o phahama, lishaka li qobelloa ho fallela metsing a pholileng, e leng se ka senyang boitšoaro ba tsona ba tlhaho le mekhoa ea tsona ea ho iphepa. Ho feta moo, acidization ea leoatle e ka ama bokhoni ba lishaka ho bona phofu, 'me ea ama baahi ba tsona le ho feta.

Ho tšoasa litlhapi ho feta tekano le Liphello tsa eona Bakeng sa Lishaka

Ho tšoasa litlhapi ho feta tekano ke e 'ngoe ea litšokelo tse kholo ho lishaka. Hangata lishaka li tšoasoa e le litšoantšiso tsa khoebo ha li tšoasa litlhapi, 'me mapheo a tsona a nkoa e le a bohlokoa haholo khoebong ea mapheo a lishaka. Sena se entse hore palo ea lishaka e fokotsehe haholo, 'me mefuta e meng ea lishaka e tobane le tšokelo ea ho timela.

Melemo e ka bang teng ea Lishaka Leoatleng

Lishaka li fana ka melemo e mengata ho tikoloho ea maoatle. Ka mohlala, li ka thusa ho laola palo ea liphoofolo tse ling tsa leoatleng, ho thibela ho tlala ha baahi le ho sireletsa bophelo bo botle ba mafika a likorale le libaka tse ling tsa leoatle. Ho feta moo, lishaka ke li-scaveners tsa bohlokoa, li ja liphoofolo tse shoeleng le ho thusa ho boloka leoatle le hloekile.

Mathata a ho Khutlisa Baahi ba Lishaka

Ho khutlisa palo ea lishaka ke mosebetsi o boima o hlokang mokhoa o fapaneng. Boiteko ba ho fokotsa ho tšoasa litlhapi ho feta tekano, ho sireletsa libaka tsa leoatle le ho fokotsa phello ea phetoho ea maemo a leholimo kaofela ke mehato ea bohlokoa ea ho baballa lishaka. Ho feta moo, matšolo a thuto le tlhokomeliso a ka thusa ho hlokomelisa sechaba ka bohlokoa ba lishaka tikolohong ea maoatle.

Karolo ea Boiteko ba Paballo ea Lishaka ho Sireletsa Lishaka

Boiteko ba paballo ke ba bohlokoa ho baballeng lishaka. Boiteko bona bo ka kenyelletsa mehato ea ho fokotsa ho tšoasa litlhapi ho feta tekano, ho sireletsa libaka tsa leoatle le ho fokotsa phello ea phetoho ea maemo a leholimo. Ho feta moo, mekhatlo ea paballo e ka sebetsa ho hlokomelisa sechaba ka bohlokoa ba lishaka tikolohong ea maoatle le ho khothaletsa mekhoa e tsitsitseng ea ho tšoasa litlhapi.

Qetello: Bokamoso ba Lishaka Leoatleng

Bokamoso ba lishaka leoatleng ha bo tsejoe hantle, empa boiteko ba ho li sireletsa bo fana ka tšepo ea hore li tla bolokoa. Ka ho fokotsa ho tšoasa litlhapi ho feta tekano, ho sireletsa libaka tsa leoatle, le ho fokotsa phello ea phetoho ea maemo a leholimo, re ka thusa ho tsosolosa palo ea lishaka le ho netefatsa hore libōpuoa tsena tsa bohlokoa li tsoela pele ho phetha karolo ea bohlokoa tikolohong ea maoatle.

Litšupiso le ho Bala ho Tsoela Pele

  • Mokhatlo oa Machaba oa Paballo ea Tlhaho. (2021). Lishaka, mahlaseli le li-chimaera. IUCN Lethathamo le Lefubelu la Mefuta e Kotsing. https://www.iucnredlist.org/search?taxonomies=12386&searchType=species
  • Oceana. (2021). Lishaka le Mahlaseli. https://oceana.org/marine-life/sharks-rays
  • Pacoureau, N., Rigby, C., Kyne, PM, Sherley, RB, Winker, H., & Huveneers, C. (2021). Ho tšoasa lefatšeng ka bophara, litheko tsa tlhekefetso, le likhetho tsa ho aha bocha lishaka. Litlhapi le Litlhapi, 22(1), 151-169. https://doi.org/10.1111/faf.12521
Senepe sa mongoli

Ngaka Chyrle Bonk

Dr. Chyrle Bonk, ngaka ea liphoofolo e inehetseng, o kopanya lerato la hae bakeng sa liphoofolo le lilemo tse leshome tsa phihlelo ea tlhokomelo ea liphoofolo tse tsoakiloeng. Ntle le menehelo ea hae ea lingoliloeng tsa bongaka ba liphoofolo, o laola mehlape ea hae ea likhomo. Ha a sa sebetse, o thabela libaka tse khutsitseng tsa Idaho, a hlahloba tlhaho le monna oa hae le bana ba babeli. Dr. Bonk o ile a mo fumana Ngaka ea Veterinary Medicine (DVM) ho tloha Oregon State University ka 2010 'me a arolelana tsebo ea hae ka ho ngolla liwebsaete tsa bongaka ba liphoofolo le limakasine.

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