How to measuring number or quantity of fruits dispersal under the canopy of a tree, taking into account that the measuring is monthly done and there will be several generations of fruits coinciding on the ground.
Interesting question , but i doubt we do have such comprehensive methodology . Imaging system of canopy fruits has so far given some success , but on a limited scale . ...
Thank you for your suggestion. Photographs on the canopy and digitalized proccessing for extracting surface devoted to fruits may be a solution, but I think it only would work with a some extent big and coloured fruits.
When I made yhe question, I was thinking on soil surface traps for fruits...
For avocados we use a relatively simple counting system for mature fruit taking into account the spread of the tree. With monthly measurements challenges are decay of the fruit and removal of fruit by scavengers. Other researchers have laid out nets under the trees and then collect the fruit. Fruit counts are done by weighing the mass of fallen fruit.
Thak you for your suggestions. Indeed, birds have to be taken into account in the case of fleshy fruits. Nets under the tree are also a good method but its results can be modified by omnivorous mammals as foxes or rodents.
You can minimise scavengers by having the net raised so that the fruit roll into a collection box or bag. The box or bag design should be such that the fruit is not easy to get at.
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