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Six methods were used in attempts to estimate the numbers and age structure of populations of Glossina morsitans Westw. and G. pallidipes Aust. in the...

The seed-to-seedling transition may be a critical stage in determining the dynamics of plant populations. Insects which kill seeds either before or af...

Revegetation dynamics on vertical cliff faces in abandoned limestone quarries were examined at 18 sites in southern Ontario, Canada, abandoned between...

Habitat destruction and fragmentation have led to precipitous declines in a number of species of concern. For these species, traditional models that g...

Upland biotopes have conservation importance for their typical plant and animal species. Recently, the condition of upland habitats has deteriorated w...

The following is virtually the author's summary. The investigation described de-fines the limits of temperature and humidity beyond which the grain mi...

The 20th century has witnessed substantial increases in the intensity of agricultural land management, much of which has been driven by policies to en...

Genetically modified (GM), herbicide-tolerant crops have been adopted extensively worldwide, resulting in increased homogenization of agricultural pra...

Restoration of habitats invaded by non-native plants should include both the removal of invasive plants and re-establishment of native plant communiti...

Intensification of agricultural use of grassland habitats has been linked to the declines of many farmland bird species, several of whom have been in ...