Relationships between soil parameters and vegetation in abandoned terrace fields vs. non-terraced fields in arid lands (Lanzarote,Spain): An opportunity for restoration |
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| Affiliation: | 1. Department of Botany, Ecology and Plant Physiology, University of La Laguna, La Laguna 38206, Canary Islands, Spain;2. Department of Animal Biology, Soil Science and Geology, University of La Laguna, La Laguna 38206, Canary Islands, Spain;3. Jardín de Aclimatación de La Orotava (ICIA), Puerto de la Cruz 38400, Canary Islands, Spain;1. Department of Geobotany and Plant Ecology, Faculty of Biology and Environmental Protection, University of Łódź, ul Banacha 12/16, 90-237 Łódź, Poland;2. European Regional Centre for Ecohydrology of the Polish Academy of Sciences, ul Tylna 3, 90-364 Łódź, Poland;3. Department of Applied Ecology, Faculty of Biology and Environmental Protection, University of Łódź, ul. Banacha 12/16, 90-237 Łódź, Poland;1. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, 100875, China;2. Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China;3. Institute of Wetland Research, Chinese Academy of Forestry, Beijing, 100091, China;1. Departamento de Ciências Biológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Rodovia MGT 367-Km 583, nº 5000, Alto da Jacuba, CEP 39100-000, Diamantina, MG, Brazil;2. Departamento de Engenharia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Rodovia MGT 367-Km 583, nº 5000, Alto da Jacuba, CEP 39100-000, Diamantina, MG, Brazil;3. Departamento de Geografia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Rodovia MGT 367-Km 583, nº 5000, Alto da Jacuba, CEP 39100-000, Diamantina, MG, Brazil;1. Beijing Forestry University, Beijing 100083, China;2. Beijing Datum Technology Development CO., LTD., Beijing 100084, China;3. Monitoring Centre of Soil and Water Conservation, Ministry of Water Resources, Beijing 100053, China;1. College of Life and Environment Sciences, Shanghai Normal University, Guilin Road 100, Shanghai 200234, China;2. China National Rice Research Institute, Hangzhou 311400, China;3. Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai 200135, China |
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| Abstract: | Over 90% of terraced fields have been abandoned on the island of Lanzarote in the last 40 years. The present work analyses the effects of abandonment on the soil and vegetation recovery of terraced field agroecosystems by comparing them with adjacent non-terraced fields in Lanzarote, Canary Islands (Spain). This information is necessary to take the appropriate management actions to achieve goals such as soil protection and biodiversity conservation. Results indicate that terraced fields display better soil quality than non-terraced ones, as shown by the significant differences found in parameters such as SAR, exchangeable Na, CaCO3, B content, moisture content or soil depth. Moreover, the terraced fields' plant community has more species similarities with the native plant community when compared with non-terraced areas. Owing to characteristics such as deeper soils, more water capacity, lower salinity and less sodic soils, terraced soils provide better conditions for passive restoration of both soil and vegetation. Therefore, the recovery and maintenance of wall structures and revegetation with native/endemic species are proposed to promote the restoration of native systems and preserve a landscape with cultural and aesthetic value. |
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| Keywords: | Agriculture abandonment Species richness Endemic species Floristic composition Vegetal cover Soil chemical parameters Soil physical properties |
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