How does the number of water users in a land reform matter for water availability in agriculture?
Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the q...
Ausführliche Beschreibung
Autor*in: |
Sharofiddinov, Husniddin [verfasserIn] Islam, Moinul [verfasserIn] Kotani, Koji [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2024 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Agricultural water management - Amsterdam : Elsevier, 1976, 293 |
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Übergeordnetes Werk: |
volume:293 |
DOI / URN: |
10.1016/j.agwat.2024.108677 |
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Katalog-ID: |
ELV067039162 |
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520 | |a Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. | ||
650 | 4 | |a Land fragmentation | |
650 | 4 | |a Irrigation water | |
650 | 4 | |a Irrigation infrastructure | |
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10.1016/j.agwat.2024.108677 doi (DE-627)ELV067039162 (ELSEVIER)S0378-3774(24)00012-X DE-627 ger DE-627 rda eng 630 640 VZ 48.50 bkl 48.00 bkl Sharofiddinov, Husniddin verfasserin aut How does the number of water users in a land reform matter for water availability in agriculture? 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. Land fragmentation Irrigation water Irrigation infrastructure Pump irrigation Gravity irrigation Tajikistan Islam, Moinul verfasserin aut Kotani, Koji verfasserin (orcid)0000-0003-0667-1895 aut Enthalten in Agricultural water management Amsterdam : Elsevier, 1976 293 Online-Ressource (DE-627)320502899 (DE-600)2012450-8 (DE-576)255266820 1873-2283 nnns volume:293 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 48.50 Pflanzenproduktion: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 293 |
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10.1016/j.agwat.2024.108677 doi (DE-627)ELV067039162 (ELSEVIER)S0378-3774(24)00012-X DE-627 ger DE-627 rda eng 630 640 VZ 48.50 bkl 48.00 bkl Sharofiddinov, Husniddin verfasserin aut How does the number of water users in a land reform matter for water availability in agriculture? 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. Land fragmentation Irrigation water Irrigation infrastructure Pump irrigation Gravity irrigation Tajikistan Islam, Moinul verfasserin aut Kotani, Koji verfasserin (orcid)0000-0003-0667-1895 aut Enthalten in Agricultural water management Amsterdam : Elsevier, 1976 293 Online-Ressource (DE-627)320502899 (DE-600)2012450-8 (DE-576)255266820 1873-2283 nnns volume:293 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 48.50 Pflanzenproduktion: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 293 |
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10.1016/j.agwat.2024.108677 doi (DE-627)ELV067039162 (ELSEVIER)S0378-3774(24)00012-X DE-627 ger DE-627 rda eng 630 640 VZ 48.50 bkl 48.00 bkl Sharofiddinov, Husniddin verfasserin aut How does the number of water users in a land reform matter for water availability in agriculture? 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. Land fragmentation Irrigation water Irrigation infrastructure Pump irrigation Gravity irrigation Tajikistan Islam, Moinul verfasserin aut Kotani, Koji verfasserin (orcid)0000-0003-0667-1895 aut Enthalten in Agricultural water management Amsterdam : Elsevier, 1976 293 Online-Ressource (DE-627)320502899 (DE-600)2012450-8 (DE-576)255266820 1873-2283 nnns volume:293 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 48.50 Pflanzenproduktion: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 293 |
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10.1016/j.agwat.2024.108677 doi (DE-627)ELV067039162 (ELSEVIER)S0378-3774(24)00012-X DE-627 ger DE-627 rda eng 630 640 VZ 48.50 bkl 48.00 bkl Sharofiddinov, Husniddin verfasserin aut How does the number of water users in a land reform matter for water availability in agriculture? 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. Land fragmentation Irrigation water Irrigation infrastructure Pump irrigation Gravity irrigation Tajikistan Islam, Moinul verfasserin aut Kotani, Koji verfasserin (orcid)0000-0003-0667-1895 aut Enthalten in Agricultural water management Amsterdam : Elsevier, 1976 293 Online-Ressource (DE-627)320502899 (DE-600)2012450-8 (DE-576)255266820 1873-2283 nnns volume:293 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 48.50 Pflanzenproduktion: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 293 |
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10.1016/j.agwat.2024.108677 doi (DE-627)ELV067039162 (ELSEVIER)S0378-3774(24)00012-X DE-627 ger DE-627 rda eng 630 640 VZ 48.50 bkl 48.00 bkl Sharofiddinov, Husniddin verfasserin aut How does the number of water users in a land reform matter for water availability in agriculture? 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. Land fragmentation Irrigation water Irrigation infrastructure Pump irrigation Gravity irrigation Tajikistan Islam, Moinul verfasserin aut Kotani, Koji verfasserin (orcid)0000-0003-0667-1895 aut Enthalten in Agricultural water management Amsterdam : Elsevier, 1976 293 Online-Ressource (DE-627)320502899 (DE-600)2012450-8 (DE-576)255266820 1873-2283 nnns volume:293 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-FOR GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2014 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 48.50 Pflanzenproduktion: Allgemeines VZ 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 293 |
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how does the number of water users in a land reform matter for water availability in agriculture? |
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How does the number of water users in a land reform matter for water availability in agriculture? |
abstract |
Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. |
abstractGer |
Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. |
abstract_unstemmed |
Land reforms have been reported to impact agriculture, economic performances and indicators of countries along with water users and allocations. However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture. |
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However, little is known about how land fragmentation (consolidation) in land-reform processes affects water availability. This research investigates the question of “how the number of water users is related to irrigation water allocations in land reforms,” hypothesizing that an increase in the number of water users through land fragmentation poses negative threats to water allocations through the mediation of irrigation types. We conduct empirical analyses for irrigation water demand and availability, utilizing panel data for 25 years of the post-Soviet land-reform processes from 13 regions in Sughd province, Tajikistan. Two main results are obtained: First, the irrigated areas are the main drivers that increase irrigation water demand in comparison to other factors, and the impact by pump-irrigated areas is approximately 1.6 times as large as that by gravity-irrigated areas. Second, the increasing number of water users under land fragmentation in Tajikistan tends to reduce irrigation water availability, and the magnitude of reduction under pump irrigation is more significant than that under gravity irrigation. Overall, this research establishes that irrigations and the number of water users through land reforms matter for a change in water allocations, and the interactions pose particularly idiosyncratic threats to irrigation water availability. Thus, it is advisable to reassess ongoing land-reform policies incorporating the possible negative externality of land fragmentation as well as irrigation for food security and water sustainability in agriculture.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Land fragmentation</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Irrigation water</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Irrigation infrastructure</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Pump irrigation</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Gravity irrigation</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Tajikistan</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Islam, Moinul</subfield><subfield code="e">verfasserin</subfield><subfield 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