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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Spatial price equilibrium trade modelling: theory.

The theory of measuring economic welfare across horizontal and vertical chains is provided in this chapter. As demonstrated, it underlies the spatial price equilibrium (SPE) trade models. The vertical and horizontal chains involved in a particular trade model, referred to as the REPA model, are...

Author(s)
Kooten, G. C. van; Johnston, C. M. T.
ISBN
2021 CABI (H ISBN 9781789248234)
Type
Book chapter
CABI Book Chapter Info
Cover for Chapter A.5: measurement of relationships in systems.

Author(s)
Dennis, R. L. H.
ISBN
2020 CABI (H ISBN 9781789243574)
Type
Book chapter
CABI Book Chapter Info
Cover for Species abundance, accumulation and diversity data.

Ecologists in particular are often interested in the species richness and diversity of groups of organisms, ranging from studies of small ecosystems to global patterns. In most cases it is not possible to count every individual or to detect every species, and so they use a variety of estimation...

Author(s)
Quicke, D. L. J.; Butcher, B. A.; Welton, R. A. K.
ISBN
2021 CABI (H ISBN 9781789245349)
Type
Book chapter
CABI Book Chapter Info
Cover for Survivorship.

This chapter describes the use of statistical models to determine the factors affecting the survival of killdeer (Charadrius vociferus) nests at gravelled oil pads and on native grass cover in western Oklahoma, USA.

Author(s)
Quicke, D.; Butcher, B. A.; Welton, R. K.
ISBN
2021 CABI (H ISBN 9781789245349)
Type
Book chapter
CABI Book Chapter Info
Cover for Population modelling including spatially explicit models.

R is an open-source statistical environment modelled after the previously widely used commercial programs S and S-Plus, but in addition to powerful statistical analysis tools, it also provides powerful graphics outputs. R can be used for some quite fast modelling jobs but its speed is nowhere near...

Author(s)
Quicke, D. L. J.; Butcher, B. A.; Welton, R. A. K.
ISBN
2021 CABI (H ISBN 9781789245349)
Type
Book chapter
CABI Book Chapter Info
Cover for Modeling bilateral forest products trade.

The focus in this chapter is on the development of mathematical programming models used to model bilateral forest products trade. Theoretical outlines are provided of a multi-region, single product trade model and of an integrated, multi-region, multi-product trade model. The objective function and ...

Author(s)
Johnston, C. M. T.; Stennes, B.; Kooten, G. C.
ISBN
2021 CABI (H ISBN 9781789248234)
Type
Book chapter
CABI Book Chapter Info
Cover for Global forest products trade model.

This chapter introduces the Global Forest Products Model (GFPM). The general model structure and the mathematical formulation of the GFPM are provided and key differences and similarities to the modeling approaches developed in the previous chapters are highlighted. The usefulness of the GFPM as a...

Author(s)
Nepal, P.; Buongiorno, J.; Johnston, C. M. T.; Prestemon, J.; Guo JingGang
ISBN
2021 CABI (H ISBN 9781789248234)
Type
Book chapter
CABI Book Chapter Info
Cover for Predicting breeding values.

This chapter discusses approaches to predicting breeding values and presents an outline of the steps that are required to obtain the most appropriate breeding values for any species. This process of predicting breeding values is often termed genetic evaluation.

Author(s)
Simm, G.; Pollott, G.; Mrode, R.; Houston, R.; Marshall, K.
ISBN
2021 CABI (H ISBN 9781789241723)
Type
Book chapter
CABI Book Chapter Info
Cover for Modelling the changing arctic ice.

This introductory chapter addresses the changes in the Arctic ice since 1979. It explores how the area of Arctic ice has changed over time, developing a mathematical model to describe the relationship. This model will help in making predictions about how the Arctic ice will change in the future, as ...

Author(s)
Gillman, E.; Gillman, M.
ISBN
2019 CAB International (H ISBN 9781786393104)
Type
Book chapter
CABI Book Info
Cover for Plant invasions: the role of biotic interactions.

This book contains 23 chapters divided into seven parts. Part I reviews the key hypotheses in invasion ecology that invoke biotic interactions to explain aspects of plant invasion dynamics; and reviews models, theories and hypotheses on how invasion performance and impact of introduced species in...

ISBN
2020 CABI (H ISBN 9781789242171)
Type
Book

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