Centres of origin identified by Nikolai Vavilov in the 1930s.
2.
It is the centre of origin of citrus fruits.
3.
Jeypore tract of the Koraput district is known as one of the centres of origin of rice.
4.
These species may be widely distributed beyond their centres of origin but tend to occupy special niches in the local production and consumption systems.
5.
The centre of origin is probably peninsular India, where the closest wild relatives ( " Cajanus cajanifolia " ) occur in tropical deciduous woodlands.
6.
While developing his theory on the centres of origin of cultivated plants, Vavilov organized a series of botanical-agronomic expeditions, and collected seeds from every corner of the globe.
7.
The discipline of plant ecology was pioneered in the late 19th century by botanists such as Eugenius Warming, who produced the hypothesis that plants form centres of origin, and evolutionary history of economic plants.
8.
Passeriformes ( order in which " Psophodes " is in ) has been linked with " DNA sequencing " to Gondwana, the centre of origins for a myriad of avian orders.
9.
No unequivocal proof of the biogeographical action on dinosaur species has been obtained, but some authors have outlined centres of origin for many dinosaur groups, multiple dispersal routes, and intervals of geographic isolation.
10.
Because the red-headed honeyeater occurs on many offshore islands and appears to be an effective water-crosser, it has been hypothesised that north-western Australia was the primary centre of origin for the " Myzomela erythrocephala " subspecies.
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