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12.5.2 | Cuba The main island of Cuba is the largest island in the West Indies, with a total land area of 104 945 km². The area of the country as a whole, including the Isla de la Juventud (2 200 km 2 ) and around 4 195 keys and small islands, is 110 860 km 2 . The topography is mostly flat to rolling, with rugged hills and mountains in the southeast and south-central area. The Cuban mountain range system is formed by four massifs covering about 18 percent of the surface of the Cuban archipelago. The surface cover of Cuba consists of cropland and crop/natural vegetation mosaics (44 percent), shrub lands, savanna and grasslands (24 percent), forests (23 percent) and wetlands (9 percent). Mean annual rainfall is 1 335 mm, with a pronounced seasonal variation between the driest and wettest months. Rainfall levels vary widely across the country, from 300 mm annually in the Guantánamo area of the south to more than 3 000 mm in the north. Mean annual temperature is 25°C (CUBA, 2014). In recent decades, significant variations have been detected in the country’s climatic patterns (Centella et al., 1997). An overall increase in temperature has been accompanied by a reduction in annual rainfall totals of 10-20 percent and an increase in inter-annual variation in rainfall of 5-10 percent, with reduced rainfall in the rainy season and increased rainfall in the dry season (Lapinel, Rivero and Cutié, 1993; Goldenberg et al., 2001). At the same time, the frequency of unseasonal droughts has increased. The National Environment Strategy 2007/2010 is the guiding document for Cuban environmental policy. It defines the five main environmental issues in Cuba, which are: land degradation; factors affecting forest coverage; pollution; loss of biological diversity; and water scarcity. The Strategy proposes policies and instruments to tackle the five issues in order to improve environmental protection and the rational use of national resources. Land degradation is considered the most important of the five issues. Cuba has a wide variety of soils, including those developed over sedimentary limestone (Nitisols, Ferralsols and Lixisols), and others over older rocks (Cambisols and Phaeozems). Cuba has complete soil studies and maps at cartographic scales of 1:250 000, 1:50 000 and 1:25 000 (Gardi et al., 2014). The most recent assessment of land degradation at local and national level was carried out between 2006 and 2010, using a standard methodology (Liniger et al., 2011; Bunning, McDonagh and Rioux, 2011). In parallel, the sustainable land management practices applied to stop or reverse the degradation process in the country were inventoried in each land use system (AMA, 2010). A first set of 23 thematic maps at 1: 250 000 scale was produced in 2010 and these were updated in 2013 (IGT-AMA, 2014). Fifteen different types of degradation, affecting the whole country to a lesser or more serious degree were recognized (Figures 12.8 and 12.9). The four main types of degradation in terms of extent are: (1) loss of topsoil by water erosion, which covers more than 30 000 km 2 and is present in all provinces; (2) the loss of vegetative cover, which has a similar extent and also occurs in every province; (3) processes of salinization and compaction, which cover between 10 000 to 20 000 thousand km 2 in 14 and 11 provinces respectively; and (4) loss of habitat condition and areas affected by fire, which occupy up to 5 000 km 2 each in nine provinces of the country. The other types of degradation such as aridity, loss of soil fertility, reduced organic matter content and reduced quality of surface and groundwater occupy areas that do not exceed 5 000 km 2 . Status of the World’s Soil Resources | Main Report Regional Assessment of Soil Changes 386 in Latin America and the Caribbean
Figure 12.8 Predominant types of land degradation in Cuba. Source: FAO, 2010. Figure 12.9 Extent of land degradation in land use system units in Cuba. Source: FAO, 2010. As far as the intensity of degradation is concerned, 12 percent of Cuban territory is classified as grade 1 (slight), while 68 percent is grade 2 (slight or moderate intensity) and 19 percent is grade 3 (strong or intense degradation). The last two grades are mainly located in the central and eastern area (Figure 12.10). Status of the World’s Soil Resources | Main Report Regional Assessment of Soil Changes 387 in Latin America and the Caribbean
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Status of the World’s Main Report
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Dick, Warren Dos Santos Baptista, I
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Table of contents Disclaimer and co
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4.1 | Current land cover and land u
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6.5.5 | Responses | 126 6.6 | Soil
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7.7.3 | Soil and drought hazard | 1
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9.5.2 | South Africa | 266 9.6 | Su
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12.3.8 | Soil acidification | 373 1
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14.5.4 | Nutrient imbalance | 464 1
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Foreword This document presents the
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Preface | Scope of The State of the
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Acknowledgments The Status of the W
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CACILM CAMRE CAZRI CBD CBM-CFS CCAF
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FDNPS FFS FIA FSI FSR GAP GDP GEF G
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LU MA MADRPM MAF MAFF MDBA MDGS MEN
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SKM SLAM SLC SLM SMAP SMOS SOC SOE
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List of tables Table 1.1 | Chronolo
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List of figures Figure 2.1 | Overvi
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Figure 6.15 | Factors controlling s
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Figure 11.4 | Soil map and soil deg
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colored diaper associated with micr
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Preface The main objectives of The
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Global soil resources Coordinating
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The balance between the supporting
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1.2 | Basic concepts Prior to the 2
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Soil functions and ecosystem servic
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Climate regulation ∑ Regulation o
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2 | The role of soils in ecosystem
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2.1.2 | Nature and formation of soi
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2.1.4 | Factors influencing soil C
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In coming years, human population a
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Management practices need to be imp
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Another important role of soil wate
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The development of molecular techno
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Fierer, N., Ladau, J., Clemente, J.
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Sato, T., Qadir, M., Yamamoto, S.,
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3 | Global Soil Resources 3.1 | The
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Fridland’s was the first attempt
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Soil management has a considerable
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Accumulation of water soluble salts
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and increases infiltration, which r
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Figure 3.7 Soil suitability for cro
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3.7 | Global assessments of soil ch
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3.7.2 | LADA-GLADIS: the ecosystem
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References AFES. 2008. Réferentiel
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Neustuev, S.S. 1931. Elements of So
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75% crops Mixed >50% artificial 50-
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or increasing forest areas. Between
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Degrading land covers approximately
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70 60 (A) soil carbon 50 Soil
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A meta-analysis of 57 publications
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the nutrient inputs remain in the c
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Livestock density Livestock product
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4.3.3 | Land use change resulting i
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Impact of land take Land take, by i
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Photo by F. Macias Photo by J.C. Fe
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The formation of sulfidic material
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are however strongly dependent on t
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Figure 4.10 Global distribution of
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Bardgett, R.D. & van der Putten, W.
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Dentener, F., Drevet, J., Lamarque,
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Hettelingh, J.P., Sliggers, J., van
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Magnani, F., Mencuccini, M., Borghe
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Pugh, T.A.M., Arneth, A., Olin, S.,
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Van Aardenne, J.A., Dentener, F.J.,
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5 | Drivers of global soil change D
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5.1.2 | Urbanization In tandem with
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Large areas of arable land have bee
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most affected zone with 15 million
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(Brito et al., 2005). This has impl
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MA. 2005. Ecosystems and Human Well
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6.1.2 | Status of Soil Erosion Over
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Figure 6.2 Location of active and f
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High soil erosion rates will also h
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Near-surface soil water content has
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6.2 | Global soil organic carbon st
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where the drainage in the 1960’s
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6.2.4 | Spatial distribution of car
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Vegetation Classes Topsoil Subsoil
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Soil Order Historic Area 10 6 ha Pr
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6.3 | Soil contamination status and
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and Uruguay. The number of exposed
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products increase soil acidity (Bar
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availability and inhibit plant grow
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In several Asian countries, a blend
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underlines the need for global-scal
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Figure 6.10 Urbanisation of the bes
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Figure 6.11 Major components of the
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Within the same continent, large va
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Box 6.2 | Nutrient balances in urba
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is among the top options in the por
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The quality of the soil’s water i
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At continental scales, the only pra
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Figure 6.16 (a) Global distribution
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Engineering in Japan, 5: 157-174. A
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Chadwick, D., Sommer, S., Thorman,
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Drechsel, Pay, Giordano, Mark, Gyie
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Gardner, T., Acosta-Martinez, V., C
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Hue, N.V. & Licudine, D.L. 1999. Am
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Liski, J., Ilvesniemi, H., Mäkelä
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Ng, H. 2010. Regional Assessment: S
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Reheis, M. 1997. Dust deposition do
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Smith, K.A., McTaggart, I.P. & Tsur
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United Nations. 2008. World Urbaniz
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Wood, M.K. & Blackburn, W.H. 1984.
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7 | The impact of soil change on ec
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Rockström et al. (2009) suggest we
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0.0 Response 1.0 Water quality Soil
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One approach to maintaining soil he
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Author Database Used Extent Estimat
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salinization. Safe design and opera
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The second limitation to prediction
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Figure 7.6 Some soil-related feedba
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soils occurs on largely unmanaged a
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extremes several weeks in advance (
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The direct effect of aerosols on th
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capacity declines as N loads increa
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The concept of the critical load of
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as it indicates that management and
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10-year frequency Ten-year frequenc
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phenomena such as the onset of mass
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Although poorly explored, diversity
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affect the health of humans and ani
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Bever, J.D., Westover, K.M. & Anton
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Damoah, R., Spichtinger, N., Servra
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Fenn, M.E., Poth, M.A., Aber, J.D.,
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Heimann, M. & Reichstein, M. 2008.
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Koster, R.D., Dirmeyer, P.A., Guo,
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Naeem, S., Bunker, D.E., Hector, A.
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Raufman, Y.J. & Fraser, R.S. 1997.
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Sheffield, J. & Wood, E.F. 2007. Pr
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UNEP. 2012. Policy Implications of
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8 | Governance and policy responses
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contemporary challenge for policy m
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Year 1982 FAO World Soil Charter 19
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Ensure integrated management of pes
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8.4 | Regional soil policies 8.4.1
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while in areas with fertile soils t
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In New Zealand, there are few regul
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The SEEA Central Framework identifi
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EC. 2013. Decision No 1386/2013/EU
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World Bank. 2011. Rising Global Int
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9.1 | Introduction Land degradation
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Figure 9.1 Agro-ecological zones in
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The soils are strongly weathered an
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It exposes the soil to the erosive
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In many African cultures, harvestin
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Maputo accounts for 83 percent of t
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Poverty: General poverty of the far
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Considering that over 80 percent of
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Extent of SOM decline in the region
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Many farmers do not follow recommen
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9.5 | Case studies 9.5.1 | Senegal
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Figure 9.7 Extent of dominant degra
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management, it is important to note
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From 2006, several further national
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Figure 9.12 Actual water erosion pr
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Figure 9.13 Topsoil pH derived from
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Figure 9.14 Change in land-cover be
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Waterlogging Compaction Soil sealin
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Birru, T.C. 2002. Organic matter re
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Hein, L. & De Ridder, N. 2006. Dese
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Meyer, J.H., Harding, R., Rampersad
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Smith P. 2008. Soil organic carbon
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10 | Regional Assessment of Soil Ch
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Figure 10.1 Length of the available
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Figure 10.2 Threats to soils in the
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10.3.4 | Soil acidification There i
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In paddy rice cultivation and uplan
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10.3.10 | Sealing and capping Seali
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practices. On low slopes, agronomic
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(Valentin et al., 2008). For peatla
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in Laos (59 kg N ha -1 ). On the ot
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Sub-Regions. Inceptisols are the do
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10.5.2 | Case study for Indonesia T
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Peat fire is another important proc
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An agricultural soil monitoring pro
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The Basic Soil-Environmental Monito
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Figure 10.8 Estimate CH 4 emission
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Threat to soil function Soil erosio
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References Aggarwal, G.C., Sidhu, A
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FAO. 2012. FAOSTAT. Rome, FAO. (Als
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Kukal, S.S. & Aggarwal, G.C. 2003.
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Piao, S., Fang, J., Ciais, P., Peyl
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Taniyama, I. 2003. Study of soil fa
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Zhao, Y., Duan, L., Xing, J., Larss
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11.1 | Introduction The majority of
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The internal stratification within
Page 377 and 378: Mediterranean zone This zone by def
Page 379 and 380: (5) Salinization and sodification I
Page 381 and 382: The real extent of diffuse soil con
Page 383 and 384: While there is no harmonised exhaus
Page 385 and 386: Prepared by I. Alyabina Figure 11.2
Page 387 and 388: This is due to the country’s geo-
Page 389 and 390: Future changes in climate and land
Page 391 and 392: Considering an increase of industri
Page 393 and 394: Comparison of cultivated soils with
Page 395 and 396: Figure 11.3 Some types and extent o
Page 397 and 398: The plains in the basins of Amu Dar
Page 399 and 400: Threat to soil function Soil sealin
Page 401 and 402: References Acosta, J.A., Faz, A., J
Page 403 and 404: Inisheva, L.I. (ed.). 2005. Concept
Page 405 and 406: van Lynden, G.W.J. 1997. Guidelines
Page 407 and 408: 12.1 | Introduction This chapter di
Page 409 and 410: Figure 12.1 Biomes in Latin America
Page 411 and 412: Temperate Grasslands, Savannahs and
Page 413 and 414: humid. The most common soil groups
Page 415 and 416: 12.3.6 | Compaction In LAC there ar
Page 417 and 418: New regional information has been g
Page 419 and 420: Primary forests have higher carbon
Page 421 and 422: Prepared by C. Cruz-Gaistardo Figur
Page 423 and 424: The salinity of soils on the cultiv
Page 425 and 426: Figure 12.6 Expansion of the agricu
Page 427: Figure 12.7 Percentage of areas aff
Page 431 and 432: Threat to soil function Soil erosio
Page 433 and 434: Boddey, R.M., Alves, B.J.R, Jantali
Page 435 and 436: Gardi, C., Angelini, M., Barceló,
Page 437 and 438: Nogueira, M.A., Albino, U.B., Brand
Page 439 and 440: Spavorek, G., Bemdes, G., Barreto,
Page 441 and 442: 13 | Regional Assessment of Soil Ch
Page 443 and 444: The Arab Centre for the Study of Ar
Page 445 and 446: Poverty within this system is exten
Page 447 and 448: Wind erosion A review conducted by
Page 449 and 450: 13.3.5 | Soil salinization/sodifica
Page 451 and 452: 13.3.9 | Compaction Soil compaction
Page 453 and 454: 13.4 | Major soil threats in the re
Page 455 and 456: In Sudan, studies showed that in ar
Page 457 and 458: 2002). There are few studies on the
Page 459 and 460: Consequences of salinization Salini
Page 461 and 462: Rates of C change are influenced no
Page 463 and 464: Figure 13.3 Layout of the project s
Page 465 and 466: 13.5 | Case studies 13.5.1 | Case s
Page 467 and 468: Studies show that both climatic and
Page 469 and 470: 2 - Land degradation assessment map
Page 471 and 472: Figure 13.9 Type of ecosystem servi
Page 473 and 474: Threat to soil function Soil erosio
Page 475 and 476: References Abahussain, A.A., Abdu,
Page 477 and 478: Badraoui, M. 1998. Effects of inten
Page 479 and 480:
FAO. 2004. Regional Workshop on Pro
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Mamdouh Nasr. 1999. Assessing Deser
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Yaghi, B. & Abdul-Wahab, S.A. 2004.
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14.1 | Introduction Although Canada
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The area of forested land in Canada
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14.3 | Soil threats This section fo
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Figure 14.2 Map of Superfund sites
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Figure 14.3 Areas in United States
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The drivers for soil sealing in Can
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14.4.1 | Soil erosion Soil erosion
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The relationship between soil prope
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14.4.4 | Soil biodiversity Soil bio
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Figure 14.5 Risk of water erosion i
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Figure 14.7 Soil organic carbon cha
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Figure 14.8 Residual soil N in Cana
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14.6 | Conclusions and recommendati
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Compaction Sealing and land take Sa
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Clearwater, R.L., Martin, T., Hoppe
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Kurz, W.A., Dymond, C.C., White, T.
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USDA. 2011. Resource Conservation A
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15.1 | Introduction The Southwest P
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of the country. The undulating and
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The broad area of Near Oceania (inc
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Country and land-use driver Implica
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15.5 | Threats to soils in the regi
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egenerating soils. The South Island
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New Zealand The importance of soil
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Fertilizers Impurities in fertilize
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The main onsite effects of acidific
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Saltwater intrusion Saltwater intru
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Phosphorus is naturally deficient a
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Canterbury region. There has been a
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Figure 15.3 (a) Trends in winter ra
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Figure 15.5 Agricultural lime sales
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The management of water is also fun
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The DustWatch network Australia has
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Soil sealing and capping Contaminat
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Bui, E.N., Hancock, G.J. & Wilkinso
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Hartemink, A.E. 1998b. Acidificatio
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Moorehead, A. (ed.). 2011. Forests
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Robertson, M.J., George, R.J., O’
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Wilson, B.R. & Lonergan, V.E. 2013.
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16.1 | Antarctic soils and environm
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16.3 | Response All activities in A
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IAATO. 2014. Tourism statistics. In
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Annex | Soil groups, characteristic
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a Photo by C. Tarnocai b Photo by S
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Figure A 2 (a) An Anthrosol (Plagge
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a Photo by P. Charzyński Figure A
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a Photo by A. Filaretova b Photo by
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Figure A 5 (a) A Leptosol profile i
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a Photo by L. Wilding b Photo by L.
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Figure A 7 (a) A Solonetz profile a
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a Photo by T. Toth b Photo by S. Kh
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Figure A 9 (a) A Podzol profile and
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FERRALSOLS (OXISOLS) Ferralsols (Fi
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NITISOLS (Alfisols, Ultisols, Incep
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PLINTHOSOLS (Plinthic sub-groups) P
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PLANOSOLS (Albaqualfs, Albaquults a
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GLEYSOLS (Aquic suborder and Endoaq
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STAGNOSOLS (Aquic Suborders and Epi
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ANDOSOLS (ANDISOLS) Andosols (Figur
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5 | Soils with accumulation of orga
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KASTANOZEMS (Ustolls and Xerolls) K
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PHAEOZEMS (Udolls and Albolls) Phae
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UMBRISOLS (Umbric Great Group in Aq
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6 | Soils with accumulation of mode
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CALCISOLS (Calcids, Argids, Cambids
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GYPSISOLS (Gypsids) Gypsisols are c
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7 | Soils with a clay-enriched subs
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ACRISOLS (Kan- great groups of Ulti
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LIXISOLS (Kan - great groups of Alf
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ALISOLS (Ultisols with an argillic
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LUVISOLS (Alfisols with an argillic
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8 | Soils with little or no profile
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REGOSOLS (Orthents) Regisols are th
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ARENOSOLS (Psamments) Arenosols are
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FLUVISOLS (Fluvents, Fluv-Subroups)
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9 | Permanently flooded soils WASSE
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Kastanozems Histosols Gypsisols Gre
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Jones, A., Breuning-Madsen, H., Bro
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Glossary of technical terms Aerobic
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Topsoil: the upper part of a natura
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Broll, Gabrielle Bruulsma, Tom Bunn
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Leys, John Lobb, David Ma, Lin Maci
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Urquiaga Caballero, Segundo Urquiza
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