Land Use Change and Mountain Biodiversity - Chapter 1 pdf

... States of America on acid-free paper 10 9876543 21 International Standard Book Number -1 0 : 0-8 49 3-3 523-X (Hardcover) International Standard Book Number -1 3 : 97 8-0 -8 49 3-3 52 3-5 (Hardcover) Library ... economically privi- leged parts, population growth and land use pres- sure have often caused an expansion of agricul- tural land use into less suitable region...

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... layer (0–4 cm depth) 10 47.6 ± 6.6 13 7.6 ± 15 .5 61. 3 ± 9 .1 16,455 ± 3,899 Lower soil layer (4 10 cm depth) 5 77.6 ± 9.90 207.6 ± 12 .7 12 0.4 ± 11 .3 11 , 414 ± 1, 769 3523_book.fm Page 19 4 Tuesday, November ... (%) 6 1 3523_book.fm Page 19 2 Tuesday, November 22, 2005 11 :23 AM Copyright © 2006 Taylor & Francis Group, LLC 19 6 Land Use Change and Mount...

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... 19 68 19 80 Koromi (P) 3850 10 51 1985 19 91 Mena (s) 12 50 387 19 83 19 88 Rira (s) 3000 848 19 87 19 90 Tulu Konteh (P) 4050 852 19 85 19 91 Source: From Hilman (19 86); Miehe and Miehe (19 94) . 3523_book.fm ... Bale Mountains Species Subzones DBH Height Number of Stems D. penninervium 1 2.23 ± 1. 90 11 9 2 1. 75 ± 1. 28 3——— E. arborea 1 — 1. 62 ± 1. 2...

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... data. −2.5 −2 1. 5 1. 5 1 1 −0.5 −0.5 0 0 0.5 0.5 1 1 1. 5 2 3300 310 0 310 0 2900 2700 2300 Stress: 0.04 2580 Dimension 2 (a) −2 1. 5 1 1 −0.5 −0.5 0 0 0.5 0.5 1 1 1. 5 1. 5 3300 310 0 310 0 2900 2700 2300 Stress: ... fragment, E = heath vegetation.) 2300 F1 2300 F2 2580 F1 2580 F2 2700 F1 2700 F2 2900 F1 2900 F2 310 0 Ff1 310 0 Ff2 310 0 E 3300 E1 3300 E2 20 18 16 14...

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... 41. 31 185 .11 ± 34. 51 1. 81 0. 21 Standing dead 23 .18 ± 5.22 85.87 ± 43 .11 10 0.80 ± 37.90 98.09 ± 23.25 252.39 ± 37.77 6 .12 0. 01 Litter 32.40 ± 11 .27 49.55 ± 19 .27 73 .15 ± 18 . 21 38.72 ± 7.03 16 7.80 ... 56.28 20. 01 0.003 Litter 235.88 ± 80 .12 17 5.20 ± 18 .92 17 2.84 ± 20.62 209. 41 ± 39.03 313 . 61 ± 62.52 1. 38 0.32 >5 years Live 666 .15 ± 52.82 542.86 ± 5...

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... 800 m Mountains of México 10 54 Mean of Latin-America 15 00 High-Andean-Lower-paramo 17 03.97 mm a -1 Bimodal-four seasons Upper-paramo 12 29.33 mm a -1 Bimodal-four seasons Lower-paramo 17 16.07 ... Asteraceae 11 65 598 355 50 20 41 Orchidaceae 6 61 578 330 6 2 3 Poaceae 292 15 3 79 19 12 11 Scrophulariaceae 18 4 77 53 5 3 5 Melastomataceae 19 4 10 5 45 10 2 7 Er...

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... Venezuela. Mountain Research and Development, 17 (3): 19 7– 211 . 3523_book.fm Page 13 4 Tuesday, November 22, 2005 11 :23 AM Copyright © 2006 Taylor & Francis Group, LLC 12 2 Land Use Change and Mountain ... Time Time a Age Grazing a Time Grazing a Time a Age df 1 1 1 7 7 7 7 Rumex acetosella F P 85.5 ** 0 .17 ns 4. 31 ns 6.49 ** 2.32 * 2. 41 * 1. 67 ns Lac...

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... 16 2 Land Use Change and Mountain Biodiversity The total carrying capacity of the Palccoyo community, on the other hand, was only 10 ,932.3 OU/ha/a or 1. 64 OU/ha/a. The land use factor ... Group, LLC 16 0 Land Use Change and Mountain Biodiversity TABLE 11 .4 Classification of vegetation conditions utilized to classify Andean natural grasslands, using four cr...

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... rangelands subjected to high grazing pressure during the crisis period between 19 96 and 2000 were bofedales. b a 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 18 00 19 00 2000 210 0 2200 19 95 19 96 19 97 19 98 ... taraxacoides . 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 − 20.0 − 15 .0 − 10 .0 − 5.0 0.0 5.0 10 .0...

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... 234 Land Use Change and Mountain Biodiversity TABLE 16 .5 Progressive or degressive spreading of plant species in the Pamir as a consequence of land use and desertification factors Degressive ... papposa . From left to right: 1- year, 2-years, 3- to 5-years, 8- to 12 -years, and more than 10 0-years old. An age of 250 to 300 years has been determined for some pl...

Ngày tải lên: 12/08/2014, 02:23