{"id":"https://openalex.org/W67932968","doi":"https://doi.org/10.1023/a:1006701806772","title":"Soil Nutrient Depletion and Population Growth in Sub-Saharan Africa: A Malthusian Nexus?","display_name":"Soil Nutrient Depletion and Population Growth in Sub-Saharan Africa: A Malthusian Nexus?","publication_year":2001,"publication_date":"2001-03-01","ids":{"openalex":"https://openalex.org/W67932968","doi":"https://doi.org/10.1023/a:1006701806772","mag":"67932968"},"language":"en","primary_location":{"id":"doi:10.1023/a:1006701806772","doi":"https://doi.org/10.1023/a:1006701806772","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1006701806772","pdf_url":null,"source":{"id":"https://openalex.org/S131032111","display_name":"Population and Environment","issn_l":"0199-0039","issn":["0199-0039","1573-7810"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","jufo-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Population and Environment","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062352149","display_name":"Pay Drechsel","orcid":"https://orcid.org/0000-0002-2592-8812","observed_orcids":["https://orcid.org/0000-0002-2592-8812"]},"institutions":[{"id":"https://openalex.org/I28046988","display_name":"Kwame Nkrumah University of Science and Technology","ror":"https://ror.org/00cb23x68","country_code":"GH","type":"education","lineage":["https://openalex.org/I28046988"]}],"countries":["GH"],"is_corresponding":true,"raw_author_name":"Pay Drechsel","raw_affiliation_strings":["International Board for Soil Research and Management (IBSRAM), c/o KNUST, Kumasi, Ghana"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Board for Soil Research and Management (IBSRAM), c/o KNUST, Kumasi, Ghana","institution_ids":["https://openalex.org/I28046988"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084756168","display_name":"Dagmar Kunze","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dagmar Kunze","raw_affiliation_strings":["Food and Agriculture Organisation (FAO), Ghana"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Food and Agriculture Organisation (FAO), Ghana","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027710758","display_name":"Frits Penning de Vries","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Frits Penning de Vries","raw_affiliation_strings":["International Board for Soil Research and Management (IBSRAM), Ghana"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Board for Soil Research and Management (IBSRAM), Ghana","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5062352149"],"corresponding_institution_ids":["https://openalex.org/I28046988"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":4.4659,"has_fulltext":false,"cited_by_count":70,"citation_normalized_percentile":{"value":0.94856018,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"22","issue":"4","first_page":"411","last_page":"423"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11862","display_name":"Agriculture, Land Use, Rural Development","score":0.4490000009536743,"subfield":{"id":"https://openalex.org/subfields/3303","display_name":"Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11862","display_name":"Agriculture, Land Use, Rural Development","score":0.4490000009536743,"subfield":{"id":"https://openalex.org/subfields/3303","display_name":"Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10226","display_name":"Land Use and Ecosystem Services","score":0.12099999934434891,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10889","display_name":"Soil erosion and sediment transport","score":0.11330000311136246,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/soil-nutrient-depletion","display_name":"soil nutrient depletion","score":0.9980000257492065},{"id":"https://openalex.org/keywords/soil-degradation","display_name":"soil degradation","score":0.6869999766349792},{"id":"https://openalex.org/keywords/soil-erosion","display_name":"soil erosion","score":0.8159999847412109},{"id":"https://openalex.org/keywords/fallow-period","display_name":"fallow period","score":0.6800000071525574},{"id":"https://openalex.org/keywords/population-growth","display_name":"population growth","score":0.8489999771118164},{"id":"https://openalex.org/keywords/malthusianism","display_name":"Malthusianism","score":0.8209999799728394},{"id":"https://openalex.org/keywords/population-pressure","display_name":"population pressure","score":0.8569999933242798},{"id":"https://openalex.org/keywords/sub-saharan-africa","display_name":"sub-Saharan Africa","score":0.7910000085830688},{"id":"https://openalex.org/keywords/land-degradation-assessment","display_name":"land degradation assessment","score":0.7509999871253967},{"id":"https://openalex.org/keywords/farmer-adaptation","display_name":"farmer adaptation","score":0.7590000033378601}],"concepts":[{"id":"https://openalex.org/C148609458","wikidata":"https://www.wikidata.org/wiki/Q7021281","display_name":"Nexus (standard)","level":2,"score":0.7194877862930298},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.6647046208381653},{"id":"https://openalex.org/C113052830","wikidata":"https://www.wikidata.org/wiki/Q3497778","display_name":"Land degradation","level":3,"score":0.6440773010253906},{"id":"https://openalex.org/C2994337132","wikidata":"https://www.wikidata.org/wiki/Q104879295","display_name":"Population pressure","level":4,"score":0.6408707499504089},{"id":"https://openalex.org/C198428699","wikidata":"https://www.wikidata.org/wiki/Q1334780","display_name":"Environmental degradation","level":2,"score":0.5924252867698669},{"id":"https://openalex.org/C175605778","wikidata":"https://www.wikidata.org/wiki/Q3299701","display_name":"Natural resource economics","level":1,"score":0.49920034408569336},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.4901798367500305},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.48514875769615173},{"id":"https://openalex.org/C141185391","wikidata":"https://www.wikidata.org/wiki/Q2045071","display_name":"Soil retrogression and degradation","level":3,"score":0.4791780710220337},{"id":"https://openalex.org/C2992136107","wikidata":"https://www.wikidata.org/wiki/Q104856566","display_name":"Soil nutrients","level":3,"score":0.45459794998168945},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.4394301772117615},{"id":"https://openalex.org/C128383755","wikidata":"https://www.wikidata.org/wiki/Q3816336","display_name":"Agricultural productivity","level":3,"score":0.431433767080307},{"id":"https://openalex.org/C77352025","wikidata":"https://www.wikidata.org/wiki/Q386191","display_name":"Population growth","level":3,"score":0.4293779730796814},{"id":"https://openalex.org/C526734887","wikidata":"https://www.wikidata.org/wiki/Q832237","display_name":"Environmental protection","level":1,"score":0.4047817587852478},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3740569055080414},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.21328628063201904},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.19965016841888428},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.19566625356674194},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.17249956727027893},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.17060282826423645},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.11259758472442627},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07293695211410522},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1023/a:1006701806772","doi":"https://doi.org/10.1023/a:1006701806772","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1006701806772","pdf_url":null,"source":{"id":"https://openalex.org/S131032111","display_name":"Population and Environment","issn_l":"0199-0039","issn":["0199-0039","1573-7810"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","jufo-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Population and Environment","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":0.9599999785423279,"display_name":"Life on land"},{"id":"https://metadata.un.org/sdg/2","score":0.9208999872207642,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320329182","display_name":"Consortium of International Agricultural Research Centers","ror":"https://ror.org/04c4bm785"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W37656720","https://openalex.org/W153962200","https://openalex.org/W282358388","https://openalex.org/W643546006","https://openalex.org/W1519966989","https://openalex.org/W1537991483","https://openalex.org/W1545139752","https://openalex.org/W1603652803","https://openalex.org/W2002235647","https://openalex.org/W2024468012","https://openalex.org/W2032233367","https://openalex.org/W2039302067","https://openalex.org/W2040961966","https://openalex.org/W2042745860","https://openalex.org/W2060517885","https://openalex.org/W2072012412","https://openalex.org/W2087067768","https://openalex.org/W2105572782","https://openalex.org/W2117506571","https://openalex.org/W2131921249","https://openalex.org/W2148220479","https://openalex.org/W2214732457","https://openalex.org/W2263248145","https://openalex.org/W2275175480","https://openalex.org/W2303261695","https://openalex.org/W2331197984","https://openalex.org/W2569206783","https://openalex.org/W2620646404","https://openalex.org/W2764433274","https://openalex.org/W2992290772","https://openalex.org/W4285719527","https://openalex.org/W6661492526","https://openalex.org/W6813287718"],"related_works":["https://openalex.org/W2620646404","https://openalex.org/W7100875168","https://openalex.org/W2137807987","https://openalex.org/W3005397877","https://openalex.org/W2980159046","https://openalex.org/W3088978316","https://openalex.org/W2569206783","https://openalex.org/W1519966989","https://openalex.org/W7143650564","https://openalex.org/W1564346753"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}