Now showing items 41-50 of 324
Ants ( Azteca sp.) as potential biological control agents in shade coffee production in Chiapas, Mexico
(Kluwer Academic Publishers; Springer Science+Business Media, 2002-12)
The role of Azteca sp. ants as potential biological control agents was studied in an organic coffee farm in Chiapas, Mexico. Individual larvae of Pieris rapae were placed on trees with artificially enhanced ant activity ...
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 ...
A general numerical model for evaluating size limit regulations with application to Michigan bluegill (Lepomis macrochirus Rafinesque) (Fisheries research report: 1897)
(Michigan Department of Natural Resources, Fisheries Division; Lansing, MI, 1981)
Planning for the Strategic Redevelopment of Downtown Detroit
(2006-12-30)
Executive Summary
Since its founding in 1701, Downtown Detroit
has evolved from a major shipping port and
industrial mega-power, to a place of racial unrest
and economic troubles, to its present incarnation
as a gritty ...
Nutrient Dynamics in a Small Agricultural Lake Erie Tributary
(2006-04-01)
ABSTRACT
This study examined how land use, water level fluctuations of Lake Erie, and discharge all affect seasonal nutrient concentrations and delivery on Crane Creek, a small agricultural tributary of Lake Erie in ...
Protocol and Preliminary Greenhouse Gases (GHG) Emissions Inventory: Steelcase, Inc.
(2006-04-01)
Abstract
This research project is created to build the protocol and the preliminary corporate GHG emissions inventory for Steelcase, Inc., global leader in the office environments industry headquartered in Grand Rapids, ...
Food interrelationships of the mottled sculpin, Cottus bairdi, and juveniles of the rainbow trout, Salmo gairdneri, in a tributary of lake Superior. (M.S. thesis) (Fisheries research report: 1801)
(Michigan Department of Natural Resources, Fisheries Division; Lansing, MI, 1973)
Age and Growth of Chinook Salmon in Lake Michigan: Verification, Current Analysis, and Past Trends. (Fisheries research report: 2029)
(Michigan Department of Natural Resources. Fisheries Division; Lansing, MI, 1996)