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Field studies were conducted in New Brunswick, Canada, to evaluate the relationship between larval density of Zeiraphera canadensis and damage to curr...
Read moreWhen the conditions encountered by a migratory species are highly variable, the timing of migration and migrant condition are critical to survival. Sp...
Read moreThe line intersection method is described. In practical tests with plants, including beans, the method compared well with direct measurement.-Duke Uni...
Read moreThe following is based largely on the author's summary of this account of investigations in Kenya. The percentage of barley shoots attacked by larvae ...
Read moreDiscriminant functions for discriminating between standard and compact mutants of young Delicious apple trees were computed on the basis of 5 simple m...
Read moreIn this technique the roots are laid out on a flat surface and a count is made of the number of intersections between the roots and random straight li...
Read moreMillions of dams impair watershed connectivity across the globe and have severely affected migratory fish populations. Fishways offer upstream passage...
Read moreThree major determinants of bees' nectar foraging patterns are the maximum depth at which nectar is accessible (dependent on bee tongue length); the m...
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