ʻO ka nahele kahi ʻāpana kūlohelohe i loaʻa i nā wahi kai o ka honua. Hōʻike ʻia e nā lāʻau a me nā laʻalāʻau e ulu nui a aia i nā wahi ākea. Noho ʻia ka nahele e nā ʻano holoholona like ʻole i hiki ke ola i loko o ia ʻano. ʻO kekahi o nā hana kūpono o kēia kaiaolaola ka hiki ke hoʻololi iā ia iho.
ʻO nā ululāʻau nā ʻano like ʻole:
- hale hōʻikeʻike;
- lip bur;
- pāka;
- kopope;
- ulu ulu.
Kaukaʻi ʻia i ke ʻano o ka wahie, aia nā coniferous, ākea-lau a me nā ulu lāʻau.
ʻO nā ululāʻau o nā wahi kaiāulu like ʻole
I ka ʻāpana o ke anilā o ka equatorial, kahi e wela mau ai a me ke kiʻekiʻe kiʻekiʻe, ulu mau nā kumu ʻōmaʻomaʻo mau i nā paepae ʻelua. Maʻaneʻi hiki iā ʻoe ke ʻike i nā ficuse a me nā lāʻau, nā orchids, nā kumu waina a me nā kumu koko. ʻO ka nahele Equatorial ka mea maʻamau no ʻApelika, ʻAmelika Hema, ʻaʻole loaʻa iki ma Eurasia.
Ulu nā ulu ulu ʻoi loa i nā aniau subtropical. ʻO nā kauwela ma aneʻi wela a maloʻo, ʻoiai ʻaʻole hau ka hau a ua. ʻO nā ʻoka a me nā heather, ʻoliva a me nā mura, arbutus a me nā lianas e ulu i nā subtropics. ʻIke ʻia kēia ʻano ulu lāʻau ma ʻApelika ʻĀkau, ʻEulopa, Australia a me ʻAmelika.
ʻO ke aniau aniau o ka nahele wahi waiwai i nā ʻano laulā e like me ka beech a me nā lāʻau ʻoka, magnolias a me nā māla waina, nā chestnuts a me nā lindens. Loaʻa nā ululāʻau ākea ma Eurasia, ma kekahi mau mokupuni o ka Moana Pākīpika, ma ʻAmelika Hema a me ʻAkau ʻĀkau.
I nā aniau mahana, aia kekahi mau ululāʻau huikau, kahi, me nā ʻoka, linden, elm, fir a me ka spruce ulu. Ma ka laulaha, hoʻopuni nā ululāʻau huikau i kahi ākea o nā ʻAmelika ʻAmelika ʻĀkau a me Eurasia, e hele ana i ka Hikina hikina.
Ma ka ʻaoʻao ʻākau o ʻAmelika, ʻEulopa a me ʻAsia, aia kahi maʻaiga Taiga kūlohelohe, kahi e noho mana ana ka ʻāpana wela o ka wela. He ʻano ʻelua ʻo Taiga - coniferous māmā a pōʻeleʻele coniferous. Maanei e ulu ai nā kedera, nā spruces, nā firs, nā ferns a me nā kumu berry.
I nā latitude mehana, aia nā ululāʻau i loaʻa ma ʻAmelika Waena, ma ka ʻaoʻao hikina hikina o ʻAsia, a ʻo ʻAseteralia kekahi. ʻO nā ululāʻau o kēia wahi he ʻelua mau ʻano - he wā a pulu mau. ʻO ke aniau i loko o ka ululāʻau o ke kāʻei subequatorial e hōʻike ʻia e nā kau ʻelua - pulu a maloʻo, i hoʻohuli ʻia e ka lehulehu o ka ʻeetatoru a me nā air tropical. Loaʻa nā ulu lāʻau o ke kāʻei subequatorial ma ʻAmelika Hema, Indochina a me ʻAukekulia. I ka mahele subtropical aia nā ulu lāʻau i loko o Kina a me USA. Aia kahi aniau mahana, nā pine a me nā magnolias, ulu ʻo camellia a me camphor laurel.
Nui nā ulu lāʻau o ka Honua i nā ʻano wahi like ʻole, e hāʻawi nei i nā ʻano like ʻole o nā mea ulu a me nā holoholona i ka honua. Eia nō naʻe, hoʻoweliweli ʻia nā ululaau e ka hana anthropogenic, ʻo ia ke kumu e hoʻemi ʻia ai ka wahi nahele e nā haneli hectare i kēlā me kēia makahiki.
