{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T11:50:55Z","timestamp":1768823455736,"version":"3.49.0"},"reference-count":84,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2022,1,28]],"date-time":"2022-01-28T00:00:00Z","timestamp":1643328000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Foundation for Science and Technology (FCT)","award":["UIDB\/04084\/2020"],"award-info":[{"award-number":["UIDB\/04084\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Land"],"abstract":"<jats:p>Gullies contribute very efficiently to soil loss and degradation, particularly in Mediterranean environments. While natural factors are involved in gully formation and further development, anthropic action is almost always an element. Knowledge of formation and development factors are important if soil protection strategies and measures are to be effective. In this paper, we identify the most important factors in the development of gullies in a Mediterranean setting based on a study of the Alva gully (central Portugal). Its development in the last four years is examined, based on a study of the modification of its morphological characteristics. The analysis was based on principal component analysis (PCA) to estimate the correlation between the quantitative characteristics, geomorphological processes, and biophysical variables. The results show that the main factors that seem to control the spatial variation of soil erosion are the soil penetration resistance, slope, slope shape, and vegetation cover.<\/jats:p>","DOI":"10.3390\/land11020204","type":"journal-article","created":{"date-parts":[[2022,1,29]],"date-time":"2022-01-29T05:26:17Z","timestamp":1643433977000},"page":"204","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Local Factors Controlling Gully Development in a Mediterranean Environment"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8681-2349","authenticated-orcid":false,"given":"Bruno","family":"Martins","sequence":"first","affiliation":[{"name":"CEGOT (Centre of Studies on Geography and Spatial Planning), RISCOS, University of Coimbra, 3004-530 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8665-4459","authenticated-orcid":false,"given":"Ad\u00e9lia","family":"Nunes","sequence":"additional","affiliation":[{"name":"FLUC-Department of Geography and Tourism, RISCOS and CEGOT\u2014Centre of Studies in Geography and Spatial Planning, 3004-530 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5579-6550","authenticated-orcid":false,"given":"Ana","family":"Meira-Castro","sequence":"additional","affiliation":[{"name":"School of Engineering, Polytechnic of Porto (ISEP), Rua Dr. Ant\u00f3nio Bernardino de Almeida, 431, 4200-072 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2017-0854","authenticated-orcid":false,"given":"Luciano","family":"Louren\u00e7o","sequence":"additional","affiliation":[{"name":"FLUC-Department of Geography and Tourism, RISCOS and CEGOT\u2014Centre of Studies in Geography and Spatial Planning, 3004-530 Coimbra, Portugal"}]},{"given":"Carlos","family":"Hermenegildo","sequence":"additional","affiliation":[{"name":"Faculty of Natural Sciences, Engineering and Technology, Universidade Lus\u00f3fona do Porto, 4000-098 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1016\/0016-7061(92)90079-M","article-title":"Erosional processes of Mediterranean badlands: A new erosivity index for predicting sediment yield from gully erosion","volume":"52","author":"Bufalo","year":"1992","journal-title":"Geoderma"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1016\/S0341-8162(03)00085-7","article-title":"Multi parameter fingerprinting of sediment deposition in a small gullied catchment in SE Australia","volume":"53","author":"Krause","year":"2003","journal-title":"Catena"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1016\/S0341-8162(02)00134-0","article-title":"A spatial information technology approach for the mapping and quantification of gully erosion","volume":"50","year":"2003","journal-title":"Catena"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1177\/0309133307076485","article-title":"The sediment delivery problem revisited","volume":"31","author":"Vente","year":"2007","journal-title":"Prog. 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