Tsarin halittun ruwa

tsarin halittun ruwa

A dabi'a akwai nau'ikan halittu daban-daban dangane da halayen su da kuma babban yanayin su. A yau zamu maida hankali ne kan magana tsarin halittun ruwa. Anan zamu sami kowane irin halitta wanda rayuwarsa ta kafu a cikin mazaunin da ruwa ke rufe shi. Tsarin halittun ruwa ya mamaye kusan kashi 70% na doron duniya. Mahimmancinsa yana nufin cewa ɗan adam zai dogara ne ƙwarai da waɗannan abubuwan halittu.

Sabili da haka, zamu sadaukar da wannan labarin don gaya muku duk abin da kuke buƙatar sani game da yanayin halittun cikin ruwa, halayensu da mahimmancinsu.

Babban fasali

tafkuna na ruwa

Abu mafi mahimmanci a duniya shine ruwa. Tsarin halittu na cikin ruwa ya kunshi dabbobi, ciyayi, fure da sauran kwayoyin da ke rayuwa a cikin ruwa. Tsarin halittu na ruwa duka ruwa ne da ruwan gishiri. Na ruwa mai dadi sune tabkuna, rafuka, rafuka, lagoons da na ruwan gishiri sune tekuna da tekuna.. Duk waɗannan wuraren da ake rayuwa kuma akwai maganganu tare da sabo ko ruwan gishiri ana ɗaukarsu da yanayin halittar ruwa.

Ya shafi waɗancan tsarukan halittu ne inda rayayyun abubuwan da suke rayuwa suke aiwatar da dukkan ayyukansu a cikin ruwa, shin gishiri ne ko ruwa mai kyau. Ta hanyar sabawa da tsarin halittun ruwa, sun sami damar mallakar kamanceceniya ta jiki kuma sun sami canji daban cikin shekaru.

Nau'o'in halittun ruwa

Tsarin halittun ruwa na gishiri

Don nazarin yanayin halittu na cikin ruwa, dole ne a rarraba su zuwa nau'ikan daban-daban gwargwadon halayensu. Manyan ƙungiyoyi ne guda biyu waɗanda muke rarraba su, kodayake suna da ra'ayi ɗaya cewa babban mahalli shine ruwa, akwai bambance-bambance da zasu sami ma'amala da gudana tsakanin halittu daban-daban tare da muhallinsu.

Saboda haka, sun kasu kashi biyu manyan kungiyoyi gwargwadon ma'aunin mu'amala da gudana tsakanin halittu masu rai da muhallin su kuma wadannan sune:

  • Tsarin halittu na ruwa: yanayin ruwa ya kasance yankuna ne da ruwa mai gishiri wanda a cikinsa muke samun teku, teku, da fadama, da sauransu. Suna da karko sosai a cikin ci gaban rayuwa idan aka kwatanta su da kowane yanki da ke cikin ruwa. A cikin teku ne inda rayuwa ta tashi kuma har wa yau har yanzu wuri ne wanda ba a sani ga mutane ba.
  • Tsarin ruwa na ruwa: muhallin tsaftataccen ruwa ya kunshi yankuna ne da ke da dimbin halittu, nau'uka iri daban daban. Ana kiran wannan yanki da tabki, fadama, koguna, da sauransu.

A cikin tsarin halittun ruwa akwai adadi mai yawa na amphibians, kodayake ana iya samun adadi mai yawa na kifin da ke da alaƙa da waɗannan wuraren. An samo shi ga yawan fure. Abu mai ban sha'awa game da koguna shi ne cewa yanayi na iya canzawa tsakanin sassan da yankuna, don haka idan muka binciki duk hanyar kogin zamu iya ganin hakan suna da tsarin microecosystem da yawa.

Wani nau'in rabe-raben halittu masu rai suna tattare da hanyar motsi da kuma tsarin rayuwar halittu masu rai wadanda suke zaune a ciki.

Rarraba tsarin halittun ruwa

tsabtace ruwa

Zamu duba wanne ne tsarin halittun ruwa na cikin ruwa ya dogara da hijirar rayuwa da kuma tsarin rayuwar kwayoyin halitta:

  • Benthic: su ne rayayyun halittun da ake kira benthos wadanda suke can kasan halittar halittar ruwa. Waɗannan yankuna ne waɗanda basu da zurfin gaske inda manyan mazaunan algae suke.
  • Nectonics: Halittu ne masu rai wanda ake kira da sunan necton. Suna motsawa cikin yardar kaina kuma suna iya yin iyo sosai a cikin yankunan ruwa.
  • Tsarin ruwa na Planktonic: Su waɗancan rayayyun halittu ne waɗanda ke cikin ɓangare na abin da ake kira plankton. Suna zaune suna shawagi a cikin ruwan ƙasa ko na ruwa kuma igiyoyin ruwa suna kwashe su. Za'a iya motsa mutum biyu ta hanyar motsin kansu kuma sune tushen sarkar abinci. Ana iya raba su zuwa phytoplankton da zooplankton. Na farko ya hada da kwayoyin halittar da ke aiwatar da hotuna da kuma samar da kwayoyin kamar su algae da cyanobacteria. Wannan rukunin kwayoyin yana da mahimmanci ga kowane yanayin halittar cikin ruwa tunda shine tushen jerin abubuwan da ke gudana. Zooplankton ya kasance daga halittun heterotrophic waɗanda ke ciyar da phytoplankton. Wato, sune masu amfani da farko wanda a ciki muke samun ƙananan ɓawon burodi, larvae da protozoa.
  • Neustonics: su kwayoyin halitta ne dake rayuwa akan saman ruwa suna shawagi kuma ana kiransu neuston.

Flora da ciyayi

Dole ne mu sani cewa tsarin halittun cikin ruwa suna da yalwar flora da ciyayi. Wuraren da suke da ruwa mai kyau suna da wadataccen yanayi kuma suna da yawan tsire-tsire masu tsire-tsire. Koyaya, yankuna masu rairayin bakin teku sun kasance yankuna masu tsaka-tsaki inda halittun tekun suka fara wanzuwa waɗanda basuda maraba da kayan maye ga wasu shuke-shuke waɗanda basa tallafawa babban gishirin. Yankuna ne inda yafi girma a cikin ciyawa.

A cikin yankuna mafi yawan yankunan bakin teku, yanayin rayuwa yana da ɗan rikitarwa. Kuma ya zama cewa halittun da ke rayuwa a wannan yankin dole ne su ci gaba da tsayayya da ƙarfin raƙuman ruwa yayin guguwa da lalata lokacin da sanyi mai kyau mai sanyi ya sauya. Don jimre wa duk waɗannan matsalolin, ciyayi sun yi amfani da dabaru daban-daban tare da hanyoyin da zasu ba ta damar mannewa da ƙarfi kan duwatsu da mawuyatan bawo. A kan dutsen za mu iya samun wasu tsire-tsire kamar fennel na teku waɗanda ke cin gajiyar ƙananan ɓarnawa waɗanda aka samar a cikin duwatsu don yin girma. Bugu da kari, tsire-tsire ne masu jure da gishirin.

Kuna gani a cikin tsarin yanayin ruwa na gishiri inda zamu samu manyan bishiyoyi masu tsire-tsire irin na panorogamic kamar nau'in teku na posidonia. Yana ɗaya daga cikin fitattun shuke-shuke a cikin wannan yankin gaba ɗaya tunda yana ba da gudummawa don daidaita saman yashi ta hanyar da ke da ƙarfi.

Dabbobin ruwa

Game da dabbobi, rayuwa ta bunkasa a yankuna daban-daban. Mun sami dabbobi iri-iri daban-daban daga sponges zuwa kashin baya. Bari mu ga waɗanne ne manyan:

  • Inananan invertebrates: sune wadanda basu da kashin baya. Muna da dabbobin ruwa, jellyfish, kowane irin katantanwa, da dai sauransu.
  • Inungiyoyin invertebrates: su ne mollusks, arthropods da echinoderms waɗanda muke da su a cikin hanyoyin ruwa da na halittun ruwa. Hakanan an haɗa da kifin tauraro, kwararan fitila, squid, wasu nau'ikan zubi, kaguji, da sauransu.

A wani sikeli mafi girma muna da amphibians da kifi waɗanda tuni suna da ƙashi na gaskiya. A ƙarshe, dabbobi masu shayarwa da tsuntsaye suma sun dace da ruwan sha da na ruwan gishiri.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da nau'ikan halittu masu rai da halayensu.


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