Isbn: 9787112248353 - 【众星图书精品】退耕还林背景下陕北丘陵沟壑区乡村聚落变迁与发展研究9787112248353 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2021-02-01 Publisher: China Construction Industry Press The most prominent problems in the hilly and gully areas of northern Shaanxi are the degradation of the ecological environment and the poverty of farmers. which amplify the cumulative effects of ecological insecurity and social instability. All are related to the unreasonable regional development mode.?The implementation of the project of returning farmland to forests has effectively curbed ecologica.…