Agrometeorology of Grass and Grasslands for Middle Latitudes

230 19 4MB

English Pages [47]

Report DMCA / Copyright

DOWNLOAD PDF FILE

Recommend Papers

Agrometeorology of Grass and Grasslands in Tropical and Sub - Tropical Regions

169 61 2MB Read more

Agrometeorology of the Banana Crop

179 111 4MB Read more

Grass For My Pillow 9780231501576

First published in Japanese in 1966, the debut novel of the critically acclaimed author of Singular Rebellion is an unus

122 61 919KB Read more

Agrometeorology of the Coffee Crop

187 63 26MB Read more

Fifty Shades of Grass: Erotica for classy blokes 9781922132154, 1922132152

Christina is trying to use Dave’s love of sport to get him into bed, but of course he has no clue and is just “stoked” h

97 8 275KB Read more

The Role of Agrometeorology in Agricultural Development and Investment Projects

189 86 2MB Read more

Bare Poles: Building Design for High Latitudes 9780773584907

Designing successfully for people in the world's coldest climates demands a broad understanding of site conditions

100 39 15MB Read more

Grass Land

351 20 2MB Read more

In the Bee Latitudes 9780520952379

In the Bee Latitudes, ’Annah Sobelman’s second book, traverses and choreographs the places of passion where visible and

136 91 163KB Read more

California Grasslands: Ecology and Management 9780520933972, 9780520252202

Grasslands are one of California's most important ecosystems in terms of both biodiversity and economic value. Brin

97 63 27MB Read more

Agrometeorology of Grass and Grasslands for Middle Latitudes

Author / Uploaded
World Meteorological Organization

0 0 0
Like this paper and download? You can publish your own PDF file online for free in a few minutes! Sign Up

File loading please wait...

Citation preview

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

CONTENTS Page

Page FOREWORD SUMMARY

....................................

V

(English, French, Russian, Spanish) . . . . . . . . .

vii

....................

1

CHAPTER 2. GRASSLAND ECOLOGY ............. 2.1 General principles .............................. .................... 2.1.1 Ecological succession 2.1.2 Human influence ........................ 2.1.3 Environmental influence .................. ............................ 2.1.4 Productivity 2.1.5 Species ................................ ................................... 2.2 Geography 2.3 Natural grasslands .............................. ...................... 2.3.1 Russian Federation 2.3.2 China ................................. 2.3.3 New Zealand ........................... 2.3.4 Western Europe ......................... 2.3.5 North America .......................... ........................... 2.4 Developed grasslands

2 2 2 2 2 3 3 4 4 4 6 6 7 7 9

CHAPTER

1. INTRODUCTION

CHAPTER 3. CLIMATE IMPACT ON .............. GRASSLAND OUTPUT - A REVIEW 3.1 Radiation ..................................... .............................. 3.1.1 Variation 3.1.2 Growth ................................ 3.1.3 Spectral composition effects ............... 3.2 Temperature ................................... 3.2.1 Temperature and the earth’s energy balance 3.2.2 Energy balance of grassland ................ 3.2.3 Temperature variation .................... 3.2.4 Growth ................................ 3.2.5 Growing season .........................

...

10 10 10 11 11 12 12 12 12 13 13

............................. 3.2.6 Flowering 3.2.7 Low-temperature effects .................. ........................ 3.2.8 In desert regions 3.3 Rainfall ...................................... .......................... 3.3.1 Water balance 3.3.2 Soil effects ............................. .......................... 3.3.3 Variablewater ....................... 3.3.4 Water and growth ...................... 3.3.5 In desert conditions ........................ 3.4 Soil fertility relationships 3.5 Wind shelter ...................................

13 14 14 15 15 15 15 15 16 17 17

CHAPTER 4. QUANTITATIVE APPROACHES ....................... TO AGROMETEOROLOGY 4.1 Phenological forecasting ......................... 4.2. Statistical correlation ............................ 4.3 Computer modelling ............................

18 18 19 21

CHAPTER 5. SYNTHESIS OF AGROMETEOROLOGY ................ OF GRASSLAND - AN EXAMPLE 5.1 The plant ..................................... .......... 5.1.1 Grass growth - the broad pattern 5.1.2 Growth responses ........................ 5.1.3 Problems - accuracy of estimates and geographical extrapolation ................. 5.1.4 Climate data ............................ 5.1.5 Annual production estimates ............... 5.1.6 Seasonal production patterns ............... 5.1.7 Evaluation of results ...................... ................................... 5.2 Theanimal ..................... 5.2.1 Animal reproduction 5.2.2 Example of model ....................... REFERENCES

...................................

22 22 22 22 23 24 25 25 28 29 29 29 32

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX

START

INDEX