Now showing items 11-20 of 37
Basin Boundary Collision As A Model Of Discontinuous Change In Ecosystems
(Ecological Society of AmericaWiley Periodicals, Inc., 1999-09)
Competing Cultures of Conservation
(Blackwell Publishing IncWiley Periodicals, Inc., 2011-12)
An epidemiological model of the corn stunt system in Central America
(Elsevier, 1990)
There is increasing appreciation on the part of ecologists of the crucial role that pathogens may play in the structure of plant populations and communities. This study used classic equations of epidemiology to analyze ...
An experiment in intercropping cucumbers and tomatoes in Southern Michigan, U.S.A.
(Elsevier, 1982-11)
Yields are reported for an experimental intercrop of tomatoes and cucumbers in southeastern Michigan, U.S.A., during the 1980 growing-season. The land equivalent ratio (LER) was 1.14, that is, 14% more land would be needed ...
Phylogenetic analysis of the lux operon distinguishes two evolutionarily distinct clades of Photobacterium leiognathi
(Springer-Verlag, 2004-05)
The luminous marine bacterium Photobacterium mandapamensis was synonymized several years ago with Photobacterium leiognathi based on a high degree of phenotypic and genetic similarity. To test the possibility that P. ...
Phylogenetic analysis of host–symbiont specificity and codivergence in bioluminescent symbioses
(Blackwell Publishing Ltd, 2007-10)
Several groups of marine fishes and squids form mutualistic bioluminescent symbioses with luminous bacteria. The dependence of the animal on its symbiont for light production, the animal's specialized anatomical adaptations ...
On the regional stabilization of locally unstable predator-prey relationships
(Elsevier, 1973-09-14)
The stabilizing effects of interhabitat migration and local population extinction are established by an analysis of the variable Pi, where Pi refers to the proportion of habitats occupied by species i. This is followed by ...
Theoretical Ecology Meets Agroecology: Towards an Ecological Approach to Agroecosystems
(Ecological Society of AmericaWiley Periodicals, Inc., 2000-06)
The influence of first generation fertility and economic status on second generation fertility
(Kluwer Academic Publishers-Human Sciences Press; Human Sciences Press ; Springer Science+Business Media, 1980-03)
This paper examines the impact of parental economic status and family size on the actual and expected fertility of adult children using longitudinal data from two generations of families participating in the Panel Study ...