Te kōwhiringa i waenganui i te lithium me te pūhiko tā pūtahi kua tipu ake te nuinga o ngā mātāpona o Afrika, kei hea ko ngā raihana penapena hiko he mea matua herekore mō ngā whakamahinga ahumahi hoki, whare noho hoki. Mā te āhua hauhake o te ao ki te tinihanga wera, ko te whiriwhiri i te hangarau pūhiko tika e āki ai te nui o ngā utu whakahaere roa atu me te mahi a te punaha. Ā, āia pea te hikenga ake o ngā hiahia hiko ki te tinihanga, me whakawātea tā ngā kaimahi i ngā āhuatanga mahi, te roa o te ora, me ngā take ōhaoha o ēnei e rua hangarau pūhiko matua.
Ko ngā wero taiao motuhake o te motu o Awherika, tae atu ki ngā wārunga hauhake tonu me te whakaurunga iti ki ngā punaha māmuri matatau, ka nui ake te hiahia ki te whiriwhiri i te pū. Ko te mārama ki te mahi a te pū rītini ki te pū tarāmi rānei i raro i ēnei tikanga, ka rerekē pea i waenganui i tētahi raihana hiko whai rawa, ekonomikihia, me tētahi utu nui mō te tiaki.
Ko ngā pūhiko rītini e whakaatu ana i te tūponotanga pauna pai ake i ngā takotoranga hauwera o Āwherika, e mau tonu ai te mahi i waenganui i ngā wāhi 25°C ki te 45°C. Mā tō rātou kimihana matatau ka taea te pupuri i te wera, me te heke i te mōrearea o te pānga kikokiko—he kaupapa haumaru matua nui tēnei i ngā taiao hauwera. I te tuarangi, ko ngā pūhiko taraiwa e pāngia ana e te marere haere tere ake ina mahi ana i ngā wāhi hauwera, e 50% pea te itinga o te ora o te pūhiko mō ia 10°C piki ake i te 25°C.
Ko te hoahoa takitahi o ngā pūhiko rītini e uru mai ana ngā punaha whakahaere pauna matatau e āwhina ai i te pupuri i ngā wāhi mahi tino pai. Mā tēnei hangarau ka taea e rātou te tuku i te hiko tūmau, āta noa ki ngā wā hauwera rawa o te rā, ina ko ngā wā e piki te hiahia ki te hiko i ngā takotoranga Āwherika.
Ina tirohia te roa o te ora, kei te whai kaha ake ngā pūhiko rītini i ērā atu pūhiko mātāpae ki ngā haukapua matawhenua. Ahakoa ka taea e tētahi pūhiko mātāpae kounga te 500-1,000 ngota i ngā tikanga pai, ka heke tino ai tēnei tau ki ngā taiao hau nui. Ka taea e ngā pūhiko rītini te tuku 3,000-7,000 ngota tae noa ki ngā tikanga wera herenga, e tohu ana i tētahi aronga nui ake ki te roa o te kiko.
Ko te tauwehenga hoki e rerekē tino ana i waenganui i ēnei rua hangarongo. Ko ngā pūhiko mātāpae e whakaatu ana i tētahi heke tino i te mahi ina huaina tō rātou ki ngā hau nui, ā, ko ngā pūhiko rītini e pupuri ana i tētahi heke māma ake, ā, mōhiohia ai, e āwhina ai i te whakaturanga pai ake me te whakarite kākahu.
Ko te utu tuatahi mō ngā pūhiko rītaihe tītia e 2 ki te 4 ngā wā ake i ngā kapa haurua tītai, engari me āta whakamātauria tēnei tuatahi ki te utu tino o te whakahaere i te roanga atu o te wā. I ngā takotoranga o Ahafrika, kei hea he uaua, he nui hoki te utu mō te whakakapi, te tiaki, ko te nui ake o te utu tuatahi mō te hangarau rītaihe e whai hua ana i te roanga wā.
Ina tāpirihia ngā utu whakauru, ka tuku ngā pūhiko rītaihe i ngā penapena hou tru tō rātou taumaha iti ake, rahi ake, ka iti ake ngā herekenga e hāngai ana ki te kaipuke, ki te punanga. He mea matua whai hua tēnei āhuatanga ki ngā wāhi noho āwhā o Ahafrika kei hea ka taea e ngā utu arataki te pa anuanu ki ngā tahumaero pūrua.
Ko ngā herekore e hiahiatia ana he wāhanga nui o ngā utu whakahaere. Me mōhio tonu, me whakapuea te wai, me ngā tirohanga ake i te taumata tuakiri ki ngā ripene tātari – ēnei mahi e hiahiatia ana he kaimahi pūtaiao me te aro nui. Ko ngā ripene rītini, e kore e hiahiatia tētahi aronga, ka wehe ēnei utu e hoki mai ana, ka iti ake hoki te mōrearea o te hapa tangata i ngā tikanga whakahaere.
Ko te maru me te uaua anō hoki e takirua ana ki ngā utu whakahaere. Ka pupuri ake ngā ripene rītini i te uaua ake ake i ngā hāngai wera, ko te nuinga o te wā he ake ake i te 95%, ina heke pea ki te 70-80% te uaua o ngā ripene tātari i ngā hāngai ōrite. Ko te rerekētanga e pā atu ana tika ki te whakamahinga o te hiko me ngā utu e hāngai ana.
I ngā whakaurunga o Afrika kei hea te wāhi e tata ana ki te utu, ko ngā pūhiko rītinihe he nui ake ngā vantex tō rātou i te taumata energi. Ko te punaha pūhiko rītinihe e hiahiatia ana noa rānei 50-60% o te wāhi e hiahiatia ana mō tētahi whakaurunga ōhua ōhua e tika ana. Ko te māmā o te wāhi nei e pērā ai kaitekau i ngā utu mō te whare, ā, e whakaae hoki i ngā huarahi mōhio ake mō te whakauru, āhuareka tonu i ngā rohe taone, i ngā rohe rānei e iti ana te wāhi.
Ko te māma ake o ngā punaha rītinihe e karo ai anō i ngā herehere hanganga me te pānga whakauru, he mea matua whai hua i ngā rohe e iti ana ngā aronga takotoranga, i ngā rohe rānei e whakauruhia ana i ngā whare e takoto ana ināianei e kore i āhua mō ngā punaha pūhiko taumaha.

Ko te ū ōrite o ngā punaha pūhiko ki ngā tūhura rama rā e pono ana ki Afrika, kei reira ko te hiko rā he wāhanga tipu haere o te kirihou hiko. E whakaatu ana ngā pūhiko rītiumi i ngā tatauranga whiwhi tere ake, ā, e taea ai te whakahaere i te putanga kīrehe e arataki ana i te hiko rā. Ko tā rātou kaha ki te whakauru i ngā taraiwa pōroiroi kia kaua ai te pāpaku, he mea pai mō ngā whakamahinga hiko hou.
Ko te āhua tere ake te uta o ngā riipoka rīhii, arā anō ka pai ake te whai wāhi i te mātātoko rāwhiti e wātea ana i ngā wā tere, ka hōpū ake i ētahi atu mātātoko mō ngā wā kāore e hua ai. He āhua matua whai wāhi tēnei i ngā rohe e rua ngā wā o te tau—ngā wā ua, ngā wā maroke.
Kua whakauru haere te mākeke riipene rīwhi tāriroa, me ngā whanaketanga ki te kimikimeka me ngā tikanga hangarau e heke ana i ngā utu, e whakapai ake ana i te mahi. Ko te ara nei e tohu ana ko te vantex e āki ai te rīwhi tāriroa i runga i te rīwhi kōpara ka piki ake ki te wā, ka pai ake hoki te whakauru i te wā tuatahi mō te whakamahere roa.
Anō hoki, kei te pai ake te wāhi o ngā whare hanga me ngā waahanga riipene rīwhi tāriroa kei Afrika, e pai ake nei hoki te wātea ki te rohe me te heke i ngā herekore arataki. He mea matua nui tēnei whanaketanga mō ngā ratonga penapena hiko whai māia i te motu.
Kāore i te taiao anake te pānga o te kōwhiringa riipene, engari he iti ake ngā panonitanga me te whakaputangia iti ake hoki i te wā. Ahakoa ka taea te whakaputa anō i ngā hangarau e rua, ko te takotoranga hou o te whakaputa anō i ngā rīwhi tāriroa kei Afrika e tohu ana i tētahi whai wāhi e tipu haere ana mō te whakahaerenga whai māia i te mutunga oratanga.
Ko te iti ake o te tau e whakakapi ana hoki he iti ake ngā herekenga kawepapa i te roanga o te wā o te pūnaha, e āwhina ana ki te iti ake o te paraharaha karboni me te aronga ki ngā whāinga whānui kia mau ai te taiao.
Ko ngā pūtiere rītini e pupuri ana i te mahi tūmau i te wā o te kore hiko i ngā huringa mātātoko, e tuku ana i te hiko tautoko tūmau kaua ko te uaua. Ko ō rātou pūnaha whai mōhio hihiri pai ake e tiaki ana i te mahi tūpono ake i ngā wā roa e kore ana hiko, nō reira he tino pai mō ngā rohe e kore ana te hiko e tata ki te whenua.
I ngā rangi mātātoko o Africa, ko te wā e hoki mai ai te moni mō ngā pūtiere rītini e 3-5 tau pea, ina tirohia te iti ake o ngā utu tiaki, te roa ake o te ora, me te mahi tūpahi ake. Ka taea te poto ake i tēnei wā i ngā wāhi e noho ana ngā wā kore hiko maha, i te nui hoki o ngā utu hiko.
Ahakoa e hia marama ki te whā-wareka ana ngā pūhiko mātāpae hiri hea i ngā rangi wera, tae atu ki ngā tirohanga i te rahi o te wai me te horoi i ngā kono, kāore he nui ake te whakahaere e hiahiatia ana mō ngā pūhiko rītinihiko i runga ake i te tirohanga matua. E hoko ana tēnei rerekētanga nui ki ngā utu whakahaere roa-roa me te whakapono o te punaha i ngā taiao hihiri.
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