Mbizi mussel

inokuvadza zvisikwa zvipenyu

Imwe yemhando dzakapindirana mumakosi emvura yakachena uye nharaunda dzemvura yemunyu ndiyo mbizi mussel. Zita rayo rakajairika rinobva kune iro ruvara rwegobvu rayo rakafanana nere chitupa. Iyo ine yakajeka brown hue yakayambuka nerima zig zag mitsetse. Iyi bivalve yave imwe yemhando dzinopinda mumhando dzakasiyana dzezvinhu zvipenyu uye iri kukonzera kukuvara sezvatichaona pazasi.

Muchinyorwa chino tichaenda kukuudza zvese hunhu hwesango rinoparadza.

Nhoroondo sechisimba chemhuka

zebra mussel makoloni

Iyo bivalve diki pane mamwe mamhasuru mhando. Ivo vanokwanisa kusvika zvishoma se3 cm sevanhu vakuru vanhu. Chimwe chezvinhu zvinonyanya kushamisa zverudzi urwu ndechekuti vanhu vanowanzo kukura mumakoloni. Aya makoroni anoiswa mumubhedha anovhara mikava yese uye mushure mamisodzi inokura pamusoro pevamwe. Izvi zvinoreva kuti inogona kuve nehupamhi hwehuwandu hwevanhu kusvika kuzviuru zvevanhu pamamita mita.

Icho chiri chimwe chezvikonzero nei chazove chimwe chezvinyanya kuzivikanwa zvinoparadza zvipenyu. Uye, chimwe chehunhu hunosara mumarudzi ese asina kunaka ndiko kusununguka kwekubereka. Iwe unogona nyore kusiyanisa mbizi mussel ne mitsetse iripo pachiganda chayo kubva kwairi inogamuchira zita rayo rakajairika. Mhuka iyi inoonekwa pane zvinyorwa zana zana zvinokanganisa zvisirizvo zvisikwa zvisirizvo munyika.

Iyo yakasarudzika renji yemhando iyi ndeye Nhema, Caspian uye Aral Makungwa. Munguva yezana ramakore rechi1985 yakatanga kuwedzera kuburikidza nedzidzo yemvura yekondinendi yeEurope inosvika kuGreat Lakes yeUSA muXNUMX, kuzotora nzvimbo yeMississippi neCaribbean Coast. Icho chikonzero nei iyi mhando isinga pindire ndeye yayo yepamusoro yekubereka kugona. Uye ndezvekuti, mucherechedzo wevakuru chete ndiwo unogona kusunungura kune zvakatipoteredza pakati pemamirioni uye miriyoni nehafu nemaruva pamusoro pegore.

Rudzi irworwo rwakatonyanya kunetsa nekuda kwezvikonzero zvakati. Chekutanga ndiko kuwedzeredza kukura kwemakoloni kunokanganisa zvigadzirwa uye zvinoshandura kuumbwa kwephytoplankton. Iko kukura kukuru uye kugona kwekubereka pamwe chete nehukuru hwevanhu zvinoita kuti ive chisvinu chisikwa. Kune izvi zvinofanirwawo kuwedzerwa kushorwa kukuru kwainako kune akasiyana mamiriro ezvakatipoteredza Nemaitiro ese aya vakakwanisa kutora nzvimbo hombe dzenzizi uye nyanza munguva pfupi.

Mbizi mussel sechinetso mhando

mbizi mussel

Nekuumba macomponi macones evamwe vanhu, aya makoloni anogona kukonzera kukuvara kune zvigadzirwa zve ecosystem uye nekushandura kuumbwa kwephytoplankton. Sezvatinoziva, phytoplankton yakakosha kune cheni yekudya munzvimbo dzemumvura. Vese vanhu ava vanokwanisa kuvhara mapaipi kana matura emvura emunhu izvo zvinoda kumisikidzwa kwomuenzaniso. Izvi zvipenyu zvinopokana nemakemikari akadai seklorini. Naizvozvo, ivo vanofanirwa kubviswa vachishandisa masystem ayo anokanganisa nharaunda.

Kuti tibvise rudzi urwu rwezvinhu zvinoparadza, hatidi kusvibisa nharaunda, isu tinongofanirwa kubvisa chaiyo mhando. Ivo vane inoshamisa mvura yekusefa kugona. Ivo vanokwanisa kusefa inosvika 8.5 litita emvura pamunhu pazuva. Izvi zvinova zvinonetsa zvakanyanya kana zvasvika pakubvisa vanhu ava. Izvo zvinofanirwa kuwedzerwa kuti, kune huwandu hwehuwandu hwevanhu hwavanogona kuve nekwere mita, ivo vanokwanisa kusefa huwandu hwakawanda hwemvura uchienderera.

Iyi yekusefa kugona ine mhedzisiro yakati wandei. Kune rimwe divi, huwandu hwepytoplankton huripo munzira yemvura hwaderedzwa. Izvi zvinokanganisa zvakasara zvezvisikwa zvinodya phytoplankton. Kune rimwe divi, takajekesa mvura kuti nekubvisa kuwanda kwezvimiswa zvakamiswa tinogona kuva nekristaro yakajeka mvura. Zvinogona kutaurwa kuti uyu mugumisiro wakanaka. Asi iyo yakaipa yakanyanya kuipa.

Mune dzimwe nzvimbo dzekuchamhembe kweEurope ivo vatova nematambudziko ekushatiswa kwerwizi uye vanofunga mbizi musselu inobatsira nekuda kwekusefa kwayo. Zvisinei, hazvibatsiri kuva nemvura yemhando yepamusoro kwazvo kana mhando iyi ichikuvadza dzimwe mhando dzemumvura. Icho chinosvika kuva gakava kukwanisa kuisa mhando iyi seinobatsira. Zvinogona kubatsira vanhu kusvika padanho asi kwete kune mamwe marudzi.

Mamiriro ezvinhu muSpain yeiyo zebra mussel

bivalve kupinda

Iwo akura masimendi anokwanisa kuumba makoloni anokura pamusoro peumwe neumwe. Izvi zvinoita kuti vasvike kune vanhu vakawandisa uye vanosefa mumahombekombe emvura munguva pfupi. Kuramba kwemhando iyi kwakanyanya uye huwandu hwayo hwekubereka hunokonzeresa kukuvara kwehupfumi kuSpain. Kurasikirwa kwehupfumi kwakakonzerwa nerudzi urwu muUnited States munguva yemakore gumi kunopfuura mamirioni chiuru nemazana matanhatu ema euro.

MuSpain, iyo Ministry yeEnharaunda yakatsaurirwa mazana matatu emamiriyoni kurwisa mhando pakati pa300 na2003. Mhando iyi yakaonekwa muEbro River Basin muna 2001. Kuwanda kwevanhu kwaive kwakadzika kwazvo, asi mumakore akatevera yakakwanisa kuwedzera kusvika kumabhasikoro eJúcar neSegura. Vanhu ava vakakwanisa kudzokera kune avo vekosi yeEbro uye vakasvika kumucheto kweUndugarra muVizcaya muna 2011. Dzimwe nzvimbo dzakaratidzwa idzi mienzaniso iri mudhamu reSobrón, muBurgos, uye Puentelarrá hydroelectric jump. , Álava.

Parizvino ivo vakatiwedzera isu kune dzimwe nzvimbo, kunyange zvichitaridzika kuti ingori nyaya yenguva. Mbizi yembudzi haina kuunzwa nemaune nevanhu munzizi dzainopinda. Izvi zvinoreva kuti kuvanhu izvi haina hupfumi.

Kune mamwe marongero ezhizha maitiro mhinduro yakajeka yedambudziko. Iko kushandiswa kwefirita kunodzivirira kupfuura kwemakonye kuenda kumvura yekufambisa makombi senge magetsi emagetsi emagetsi.

Ndinovimba kuti neruzivo urwu unogona kudzidza zvakawanda nezve mbizi mussel uye chimiro chayo sechisimba chisinga peri.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
  6. Kodzero: Panguva ipi neipi iwe unogona kudzora, kupora uye kudzima ruzivo rwako