Yankin Namib ba wurin da yafi kowanne zafi a Duniya bane, shima shine mafi dadewa a wurin, saboda haka yana boye sirri da yawa. Kuma kodayake an fassara sunan daga yare zuwa "wurin da babu komai", wannan yankin yana iya mamakin mazaunansa, saboda ba zaku same su ko'ina ba. Gaskiya ne, ba mutane da yawa ke yunƙurin cinye ƙasar ƙonawa da yanki fiye da murabba'in kilomita dubu 100.
Babban bayani game da Hamadar Namib
Da yawa ba su ma san inda mafi tsufa a hamada yake a duniya ba, saboda da wuya a ba da cikakkiyar kulawa a yayin tsarin ilimantarwa na gaba ɗaya. Koyaya, yana da matukar ban sha'awa duka daga mahangar bincike da mahangar yawon bude ido, kodayake ba shi yiwuwa a zauna a yankinsa na dogon lokaci.
Saboda gaskiyar cewa hamada ta haɗu da Tekun Atlantika, yanayin zafin jiki kusa da gabar bakin teku yayi ƙaranci, kusan digiri 15-20. Deeperara zurfafawa, ana jin yanayin yanayi mai ƙarfi, a nan iska tana zafin har zuwa digiri 30-40. Amma koda wannan za'a iya jurewa cikin sauki idan ba don rashin hazo ba, wanda shine dalilin da yasa busasshiyar iska ke gajiyarwa ƙwarai.
Namib yana cikin kudu maso yammacin Afirka, inda Benguela Current ke tasiri sosai. Ana iya la'akari da shi a matsayin babban dalilin samuwar hamada mai zafi, kodayake tana sanyaya ta saboda iska. Akwai danshi mai zafi kusa da gabar teku kuma galibi ana ruwa sama, musamman da daddare. Sai kawai a cikin zurfin hamada, inda dunes ke hana iskar teku wucewa, babu kusan hazo. Canyons da manyan dunes masu toshe magudanan ruwa daga teku sune babban dalilin da yasa babu ruwan sama a Namibia.
Masana kimiyya da sharadi sun raba hamada zuwa yankuna uku:
- bakin teku;
- waje;
- na ciki
Muna baka shawara ka kalli jejin Atacama.
Iyakoki tsakanin yankuna suna da fa'ida cikin komai. Farawa daga bakin teku, hamada kamar tana tsiro sama da matakin teku, wanda hakan ya sa ta zama kamar dutsen da ke gabashin gabas, wanda ya ƙunshi duwatsu warwatse.
Duniya mai ban mamaki ta dabbobin daji
Wani fasalin hamadar Namib shine cewa an kirkireshi miliyoyin shekaru da suka gabata, lokacin da dinosaur suka wanzu a Duniya. Wannan shine dalilin da ya sa babu wani abin mamaki a cikin gaskiyar cewa masu ƙarancin rayuwa suna rayuwa a nan. Daya daga cikinsu itace irin ƙwaro wacce ke rayuwa a cikin yanayi mai kazanta kuma ta san yadda ake samun tushen ruwa koda a yanayin zafi mai ƙarfi.
Koyaya, a Namib akwai nau'o'in ƙwaro irin na ƙwaro, alal misali, ƙwaro mai kama da duhu. Anan kuma zaku iya cin karo da rarar hanya, sauro da gizo-gizo waɗanda suka zaɓi dunes na waje. Dabbobi masu rarrafe, musamman geckos, galibi ana samunsu a wannan yankin.
Saboda babban yankin da hamada take, da kuma yanayin yanayinsa, ba abin mamaki ba ne cewa manyan dabbobi kusan ba za su iya gani a nan ba. Giwaye, alfadarai, dabbobin daji suna zaune a wuraren da ke da tsananin ɗumi, inda har yanzu wakilan fure suke girma. Hakanan akwai masu farauta anan: kuma duk da cewa sarakunan Afirka suna gab da halaka, zakuna sun zaɓi dunes masu duwatsu, don haka kabilun yankin suka tsallaka Namib da taka tsantsan.
Ana gabatar da tsire-tsire a cikin nau'ikan iri-iri. A cikin hamada, zaku iya samun matattun bishiyoyi waɗanda suka haura shekaru miliyan. Mafi yawan masana ilimin kimiyya suna jan hankalin masana halitta a nan wadanda suke mafarkin binciken abubuwan da suka shafi wanzuwar Welwitschia mai ban mamaki da acanthositsios, wanda aka fi sani da nara. Waɗannan tsirrai na musamman sune tushen abinci ga ciyawar shuke-shuke da ke rayuwa a nan da kuma ainihin kayan ado na yankin rairayi.
Binciken hamada
Can baya a karni na 15, masu binciken farko sun sauka a gabar Afirka a cikin Hamadar Namib. Turawan Fotigal sun girka gicciye a gabar tekun, waɗanda alamomin mallakar wannan yanki ne ga jihar su. Ko da a yau, ana iya ganin ɗayan waɗannan alamun, an adana su azaman abin tarihi, amma ba komai a yau.
A farkon karni na 19, wani sansanin kifayen kifayen ruwa ya kasance a yankin hamada, sakamakon haka aka yi nazarin gabar teku da gabar tekun yamma da kudancin Afirka. Kai tsaye Namib ya fara bincike bayan bayyanar mulkin mallaka na Jamusawa a ƙarshen karni na 19. Tun daga wannan lokacin, an fara tattara taswira ta farko ta hamada kuma hotuna da hotuna tare da shimfidar wurare masu kyau sun bayyana, ya danganta da yankin. Yanzu akwai tarin wadatattun tungsten, uranium da lu'ulu'u. Mun kuma ba da shawarar kallon bidiyo mai ban sha'awa.
