Respiration rates of Zea mays L. seedling tissues grown at 30 and 14° C were measured at
25° C at different stages of seedling growth. Accumulation of heat units was used to define …

Através de um sistema de unidades térmicas, estudou-se o efeito da temperatura média do
ar sobre o desenvolvimento de alface (Lactuca sativa L.), cultivar" white boston". Os …

Rangelands cover~ 23 million hectares and support a $3.4 billion annual cattle industry in
California. Large variations in forage production from year to year and across the landscape …

Decision-making in breeding increasingly depends on the ability to capture and predict crop
responses to changing environmental factors. Advances in crop modeling as well as high …

Trbt. and Rupr.), green needlegrass (S. v&i&hr Trln.), end prabie junegrass
[Koekriapyrumiduta (Lam.) Beruv.]. Regression analysis of growth stage with GDD was …

Observations of harmful algal blooms (HABs) of the dinoflagellate Alexandrium fundyense in
an estuary over multiple years were used to assess drivers of their spatial and temporal …

Large‐scale observational data from citizen science efforts are becoming increasingly
common in ecology, and researchers often choose between these and data from intensive …

Six phenological series were available for 'Golden Delicious' apple blooming at six sites in
Trentino, an alpine fruit-growing region. Several models were tested to predict flowering …

Extending the "Degree Day" Concept of Plant Phenological Development to Include Water
Stress Effects Page 1 Ecology, 59(3), 1978, pp. 431-433 © 1978 by the Ecological Society of …

Global warming will jeopardize the persistence and genetic diversity of many species.
Assisted colonization, or the movement of species beyond their current range boundary, is a …