Herbert Andrewartha

Farfesa Herbert George Andrewartha, BS (UWA), MAgSc (Melb), DSc (Adel), FAA, (21 Disamba 1907 - 27 Janairu 1992) ya kasance fitaccen masanin kimiyya na Australiya a fannonin ilimin ƙwayoyin cuta, ilmin halitta, ilimin dabbobi da ilimin muhalli na dabbobi.

 Rayuwa ta farko 
An haifi Andrewartha na biyu cikin yara uku, a ranar 21 ga Disamba 1907 a Perth, Yammacin Ostiraliya ga George da Elsie . Mahaifinsa malami ne, kuma iyalin suna ƙaura akai-akai daga makaranta zuwa makaranta tare da sashen ilimi, a yankunan karkara na Yammacin Australia.

Andrewartha ya sami digiri na farko a fannin noma daga Jami'ar Western Australia . Daga baya ya sami digirin digirinsa daga Jami'ar Adelaide a shekarar 1972.

 Ayyuka 
Andrewartha ya zama masanin ilimin muhalli na Australiya mafi tasiri, wanda aka fi sani da danganta dakarun da ke da 'yanci, kamar yanayi, don zama mafi mahimmanci fiye da abubuwan da suka dogara da yawa wajen rinjayar tsarin yawan jama'a. A cikin 1933, Andrewartha ya fara karatunsa a kan apple thrips, Thrips imaginis, amma daga baya ya sauya karatunsa zuwa tsutsa, Austroicetes, lokacin da ya koma Adelaide a cikin 1935.

Wannan ya haifar da bugawa ta farko tare da tsohon ɗalibinsa Charles Birch a cikin 1941, " Tasirin yanayi akan annoba ta tsutsa a Kudancin Australia". A shekara ta 1945, lokacin da mai ba da shawara James Davidson ya mutu, Andrewartha ya gaji shekaru 15 na bayanan da aka tattara akan yawan mutane. Bayan shekaru da yawa na nazarin kididdigar wannan bayanan, Andrewartha da Birch sun nuna haɗin kai mai ƙarfi tsakanin ilimin lissafi, matakan yawan jama'a, da sauran abubuwan muhalli. Wannan ya haifar da buga manyan littattafai guda biyu, The Distribution and Abundance of Animals (1954) da The Ecological Web (1984).  Ta hanyar wannan aikin, Andrewartha da Birch sun sami sabuwar makarantar ilimin muhalli na yawan jama'a, wanda ya jaddada rawar da kula da muhalli ke takawa ba tare da tsarin dogaro da al'umma ba bisa ga abubuwan da suka dogara da yawa. Ayyukan hadin gwiwa na Andrewartha da Birch sun ba su lambar yabo ta "Eminent Ecologist Award" daga kungiyar Ecological Society of America, wanda ba a taɓa gabatar da shi tare ga mutane biyu ba 

 Manazarta 
Rukuni:Haifaffun 1907