Ladoga uphawu (Ringed Seal): incazelo, ukukhahlamezeka kwendawo

Ichibi igama elifanayo siphile lizalele Ladoga uphawu. Ngokuthakazelisayo, lokhu endaweni yazo kuphela. Kodwa seal - zinhlobo lapho Ladoga ringed seal - izilwane zasemanzini. kanjani ukuphasa bahlala amanzi ahlanzekile futhi kanjani bazithola eziphila kuleli chibi?

Mayelana 11 000 edlule, lapho ngineminyaka engu-ice iphelile, izinga lamanzi ishintshile. Ngakho lezi ezincelisayo sabanjwa amanzi ahlanzekile.

Ladoga uphawu. incazelo

Lesi silwane has elinye igama. Ibizwa nangokuthi uphawu ringed, ngoba noboya ngubumpunga izindandatho elimnyama. ukukhanya esiswini. I Sakhiwo sangaphandle uphawu Ladoga ringed ungathi umthethosisekelo nezinye izihlobo zakhe, futhi uhluke yobukhulu bawo amancane. Ubude kuyinto 1.2 amamitha futhi enesisindo 50-80 kg. Seal ubukeka amanoni iDemo. It has cishe awekho entanyeni. Inhloko incane futhi kancane isicaba. Inamandla indluzelekazi emaphikweni kubashukumisele kokubili emanzini nasenhlabathini umhlaba. Ukuzwa unuke emangalisayo wakhe. Ladoga lwezimpawu baphila iminyaka engaba ngu 30-35, nokukhula luphela eminyakeni 10.

Lezi zilwane zidla izinhlanzi ezincane kanye ezinamagobolondo, okuyinto obuphelele umzimba ingeqi 20 cm. Imenyu kuhlanganisa perch, roach, aphele futhi whitefish. Vele ngosuku lokhu nomzingeli ithatha 3-4 khilogremu zezinhlanzi. Ehlobo, lapho sekuyisikhathi molt, Ladoga lwezimpawu uncamela osogwini olusenyakatho chibi, ikakhulukazi kulesi siqhingi ka Valaam qoqo leziqhingi: oNgcwele Lembos, Fox, Cross nabanye. Phakathi nezinyanga zasehlobo, bathanda ukuhlela rookery emadwaleni, inombolo zabo endaweni eyodwa ongafinyelela 600-650 ngabanye. Futhi ebusika ku-esilindele we ogwini oluseningizimu, entshonalanga nasempumalanga.

ukuphila Underwater

Ladoga seal emanzini, ngisho amakhaza, uzizwa kangcono kunalapho esezweni. lomzimba walo side ngokukhethekile aguqulelwe ukubhukuda asebenzayo. Ngaphezu kwalokhu ukusiza emaphikweni akhe. Freeze unika ungqimba obukhulu fat ongama nokuthi elingenamikhono kungaqali ezimanzi. Deftly yacwila ukuba amamitha angu-300 ukujula, uphawu ungakwazi ukubamba umoya wakhe imizuzu engu-40. Lena sibonga kungenzeka yokuthi umzimba wakhe uyakwazi ukubambezela yonke umzimba, futhi ngenxa yalokho, umoya-mpilo idinga kancane. Futhi kanzima liningi igazi izitho ezibalulekile: kwengqondo, isibindi kanye nobuchopho. Ukukhuthazela uphawu kuyivumela ukuba untante amashumi amaningana of amakhilomitha ngesivinini 20 km / h.

Indlela nokuzala

Ukuze ngokumitha kwemihlambi ngaphakamisa lezi zilwane ukhethe nenkathi ebandayo - Januwari kuya kuMashi. Ngu inqubo bokubeletha bakulungele afinyelele eminyakeni engu-6 ubudala. Ithole okuzelwe nalapho kukhona iqhwa. Ngokuvamile, uphawu lwaluba ringed ubeletha umntwana. Inesisindo kg 4 kuphela, futhi umzimba has a ubude 0.6 amamitha. noboya lakhe elimhlophe, ngakho-ke kuba obunganakekile izilwane eziphila: izimpungushe nezimpisi.

Umama feeds ngayo ubisi izinyanga 1.5-2, ubisi yalo namanoni usana buthola usuku 1 kilogram. Ngemva kwalokho, uqala ukudla bebodwa. Seal uyathanda ukukhukhuleka zeqhwa. Kuzo aluthole manholes futhi ahlele izindlu ukuze kuzuze izizukulwane ezaziyolandela. Phakathi nenkathi yokukhulelwa, yena kwenza zokukhosela ezimbalwa ice, banalo imbobo lapho ungaya phansi emigodini amanzi kanye ukuphefumula. Phuma kwamanzi endaweni "endlini" enjalo ayitholakali, ngakho abasha bavikelekile izitha zihlasela angaphandle. Lapho kufika isikhathi, bafana nje unina phansi mgodi emanzini.

kungani zinyamalale

Eminyakeni yamuva, isilwane, ogama labantu lincipha ngokushesha, futhi waba Ladoga ringed seal. IRed Encwadi Russia isivele ifakiwe ke ohlwini yayo. Lokhu kungenxa kakhulu ngenxa ukubhujiswa indoda. Ngasekuqaleni Lake Ladoga wahlala abantu ayizinkulungwane 20-30, futhi okwamanje kuwo lwezimpawu ayizinkulungwane 2-3 kuphela. Isikhumba, amafutha, inyama yale isilwane sibalulekile, ngakho ukuzingelwa kuye, kodwa hhayi ngezinga ezimbonini.

Ekhulwini lama-20, nokuqothulwa kwabantu izimvu zamanzi ungagadiwe, futhi namuhla bekulokhu isimo izinhlanzi ukuhlolwa. Beka imingcele lokudoba. Ukubhujiswa lwezimpawu walungisiswa iqiniso ukuthi odla zilwane ezibalulekile zezinhlanzi echibini. Futhi lokhu naphezu kweqiniso lokuthi ososayensi baye bafakazela ukuthi ngenxa encane ingaphakathi usigcine Lake Ladoga ayikwazi sidle inyamazane enkulu, futhi ngenxa yalokho, inani labantu, isibonelo, ama-salmon is ninganciphi ngenxa yale mpatho. Abaphikisi bathi lezi ezincelisayo lingadla izinhlanzi ezibanjwe amanethi, njengoba akudingeki ukuba igwinye, kodwa kuphela Dabula ucezu yini ngezinye izikhathi benza for fun.

izici ezengeziwe

Ladoga lwezimpawu bayabulawa futhi ngoba babanjwa amanethiwekhi eqinile efakwe ukubamba inhlanzi, zazo awukwazi ukuphuma bebodwa. Ngaphezu kwalokho, ukwazi ukuthi into khona komuntu ku echibini ibanika ngokuphazamisa futhi izimbangela sikhathazeke ngokuthi kakhulu ungakuvumeli ukuba ukwanda izinombolo zabo. Esinye isici ezinomthelela nokuncipha inani Ladoga uphawu - nokungcoliswa echibini ngu indle. Uma waqala ukuthola imfucuza, lezi ezincelisayo iye yagula amasosha omzimba ngokuvamile, beye bancipha. Ladoga Lake kungakabiphi ukusinda owayenecala ngale nhlekelele semvelo.

Kungakhathaliseki ukuthi Sekuyisikhathi sokuma?

Ukupholisa echibini ukungcola, compounds ezinobuthi, esindayo zensimbi bekulokhu okuqhubekayo iminyaka eminingi. Ngaphezu kwalokho, amanzi uthole kwezulu enobuthi. Ezansi Lake Ladoga wathola amasayithi khona abaphili isikhathi ezingenamgogodla. Ezinye izinhlanzi kwasala kancane yokuqothulwa, isibonelo, lubalwa ezisengozini Atlantic Sturgeon. Lokhu kusho ukwehla kwe-amandla ukubopha nokuqothulwa kancane kancane ngenxa yendlala. Kubuye kube kubi ngoba imfuyo kanye ukufudumala, futhi ngenxa yalokho, ukuncishiswa isembozo iqhwa. Phela, badinga zeqhwa, okungenani ukuze avumele amalungu ukufihla futhi ingosi nezinsizwa uqobo.

izinyathelo

Izazi zezinto eziphilayo unesithakazelo ekusindeni uphawu Ladoga ringed, wadala e Repino Leningrad esifundeni inkonzo wokutakula pinnipeds. Lena inhlangano enjalo lokuqala eRussia. Ososayensi ukusebenzisa isipiliyoni kanye nolwazi lwabo ukuze basize kule isilwane esincelisayo. Kungase kube ngaphansi kokuqondisa isikhungo Ladoga uphawu hhayi kuphela ringed, futhi noma yisiphi isihlobo sakhe enkingeni. Ebusika pinnipeds nge thermoregulation kahle. Kubo, abasebenza ngokukhethekile iphuzu bafudumale. Izilwane bangaphila lapha isikhashana. Kubo ifakwe amabhokisi ngalinye. Abasebenzi uhlala endaweni eyayibekelwe ngokukhethekile kuye. Endaweni ehlukile, ukulungiselela ifolishi izilwane. Ukuze kusheshiswe lithathelwe pinnipeds eyakhelwe pool.

Abantu bayasazi inkinga futhi ukunyamalala okungenzeka silwa ukuze kulondolozwe uphawu. Umkhawulo ukuvakashela ezindaweni lapho lwezimpawu ukuphumula, ukunciphisa okudoba echibini. Nakuba kungenakwenzeka ukuba abalela bantfu ubunyoninco zezinyoni ezingavamile ukuhlangana nezilwane endaweni yazo yemvelo. Into eyinhloko ukukhumbula ukuthi ukuze sisinde, uphawu Ladoga ringed aludingi ukunakekela okukhethekile indlela abantu futhi enengqondo nempikiswano co-khona kule planethi.