Search

A mathematical model was constructed to simulate various above-ground and below-ground compartments of the producer subsystem for a shortgrass prairie...

5 forage maize cv. were grown at a site in Stewiacke East, Nova Scotia. DM production rates and environmental conditions were measured during June-Sep...

Microclimatic measurements and flux determinations were made on natural grassland at the Matador project site in Saskatchewan, dominated by Agropyron ...

Evaporation from a weighing lysimeter containing grassland containing 50% T. australis was measured for 3 yr in a sub-humid region of New South Wales,...

A computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...

Light-trap records showed that Nilaparvata lugens (Stal), an important pest of rice, is prevalent in the southwestern part of Japan. Populations that ...

Mean adult bee populations were 18 000 in late May, 37 000 in early June and 13 000 in late September, while mean brood populations were 15 000 in lat...

Organochlorine levels and shell thickness indices varied little between eggs in the same clutch of Accipiter nisus in the UK, but they varied greatly ...

The nutrient input in rainfall was determined at three colliery spoil heaps in Yorkshire and at a rural site. The only major difference between sites ...

Populations were collected from twelve sites in Switzerland and Italy. Tetraploids occurred in grassland at high altitudes but in woodlands down to 11...