... Georgakopoulos
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Structure and Function
in Agroecosystem
Design and Management
Structure and Function
in Agroecosystem
Design and Management
Edited by
Masae Shiyomi
Hiroshi ... R.W. Spedding
Berkshire, England
Moham K. Wali
The Ohio State University, Columbus, OH
Library of Congress Cataloging -in- Publication Data...
... FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
920103_CRC20_0904_CH02 1/13/01 10:39 AM Page 42
26 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
Figure 2.2 A. Pitfall recapturing ... Carter and Dale (1974) and Ponting (1991), most
18 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
920103_CRC20_0904_CH02 1/13/01 10:39 A...
... time intervals in the same area (Fischer and Stocklin, 1999). Habitat frag-
mentation combined with changes in grassland management and the land-
scape context have resulted in significant increases ... Page 54
46 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
• How does grassland diversity vary in space and time?
• What determines the number of s...
... 1/13/01 10:46 AM Page 71
72 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
can be made between the individual-based models (e.g., Pacala and Silander,
1985) and cellular automaton ... ecological management of crop-weed interactions
from a modeling and systems perspective.
920103_CRC20_0904_CH04 1/13/01 10:46 AM Page 62
80 STRUCTURE AND FUNCTION IN...
... Grassland Res. Inst., (Japan) 39:24–39.
920103_CRC20_0904_CH05 1/13/01 10:48 AM Page 105
104 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
Mortality rate
Amount in above-
ground ... Grasshopper-mantis model (Levins and Vandermeer, 1990). There are
two kinds of competitive grasshoppers and one kind of mantis. H
1
, H
2
,
and C indicate the numbers of the...
... P.L. and Singh, J.S., 1971. Herbage dynamics and net primary production in cer-
tain ungrazed and grazed grasslands in North America, in
Preliminary Analysis of
Structure and Function in Grasslands,
N.R. ... grasses, and trees are intense. The live-
stock component of the grassland may be herds and flocks grazing and
browsing in the vicinity of grazing lands and...
... 155
164 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
McGonigle, T.P. and Miller, M.H., 1996. Development of fungi below ground in asso-
ciation with plants growing in disturbed and ... is
only limited understanding as to how to integrate and maintain efficient AM
fungi within an annual cropping system. Moreover, our understanding of the
145
0-8...
... important role in their
survival and establishment, and species seen in agroecosystems are not
exceptional in this matter.
170 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
920103_CRC20_0904_CH08 ... existence in
the field. Given results and hypotheses may be helpful in understanding and
predicting the behavior of natural enemies in upcoming...
... AM Page 190
194 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
in the same field. Similar results were reported by Tien and Gusui (1991) in
China against CMV in several vegetables. ... rain dispersal,
and insect transmission of inoculum.
Wind Dispersal
Airborne spores may travel intercontinentally and cause disease thou-
sands of miles away from the o...
... modeling. From this
point of view, we are seeking, in the study, a rotational grazing scheme and
an optimal grazing pressure for the alpine meadow husbandry by modeling
an alpine meadow grazing ... 15. 266 kJ/m
2
, V
5 t ϭ 42
ϭ
268 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT
GRAZING DURATION
FIELD NUMBER
ACCUMULATED INTAKE ( KJ/m
2
)
2951.69
3251.62 3551...