Like in all Mediterranean countries, Table olive farming has an important tradition and production potential in western Turkey, and thus it is critical to assess the risk sources and risk management strategies that farmers perceive. This study identifies perceptions of risk sources and managements strategies in the region, clarifying their relative importance, as farmers perceive them, using a survey conducted among 121 selected purposefully farmers. Sociodemographics of farmers and households were identified using basic descriptive statistics, such as arithmetic means and percentages. According to factor loadings, financial and marketing risk sources are most prominent among farmers, and human-induced and production technology issues represent the most important risk management strategies. In table olive production, it will be beneficial to develop strategies such as increasing the number of trees, improving agricultural activities, increasing the awareness level of farmers on issues such as climate change and the use of new technologies.
{"title":"Table Olive Farmers’ Sources of Risk and Risk Management Strategies","authors":"N. Tok","doi":"10.30682/nm2203f","DOIUrl":"https://doi.org/10.30682/nm2203f","url":null,"abstract":"Like in all Mediterranean countries, Table olive farming has an important tradition and production potential in western Turkey, and thus it is critical to assess the risk sources and risk management strategies that farmers perceive. This study identifies perceptions of risk sources and managements strategies in the region, clarifying their relative importance, as farmers perceive them, using a survey conducted among 121 selected purposefully farmers. Sociodemographics of farmers and households were identified using basic descriptive statistics, such as arithmetic means and percentages. According to factor loadings, financial and marketing risk sources are most prominent among farmers, and human-induced and production technology issues represent the most important risk management strategies. In table olive production, it will be beneficial to develop strategies such as increasing the number of trees, improving agricultural activities, increasing the awareness level of farmers on issues such as climate change and the use of new technologies.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43791592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Based on survey data of 319 rain-fed farmers in Al-Hasakeh, Syria, this study analyses rain-fed farmers’ risk attitudes and farmers’ perceptions of risk and risk management. Furthermore, it analyzes, using multiple regression analysis, the relationship between socio-economic characteristics and farmers’ risk attitudes. The results demonstrate that precipitation shortage was the most important risk source that threaten farmers in both zones. Moreover, risks of diseases and pests and natural disasters were highly perceived by farmers in zone 1. Farmers in zone 2 were more concerned about fire damages and lack of government support. The financial strategy related to the producing at lowest possible cost is perceived as an important strategy to manage risk by farmers in both zones. Spraying for diseases and pests and liquidity are perceived as the most effective risk management strategies by farmers in zone 1, whereas farmers in zone 2 considered liquidity and choose good quality materials as an important strategy. The results also show that some farm and farmers’ characteristics (e.g. age, experience, education, household size, farm size, family labour, extension contact, off-farm work and Co-op Member) significantly impact the risk attitudes of the farmers in both zones.
{"title":"Rain-fed agriculture risks and management strategies adopted by farmers in two agro_x0002_ecological zones in Al-Hasakeh province of Syria.","authors":"Naji khames AlFraj","doi":"10.30682/nm2203e","DOIUrl":"https://doi.org/10.30682/nm2203e","url":null,"abstract":"Based on survey data of 319 rain-fed farmers in Al-Hasakeh, Syria, this study analyses rain-fed farmers’ risk attitudes and farmers’ perceptions of risk and risk management. Furthermore, it analyzes, using multiple regression analysis, the relationship between socio-economic characteristics and farmers’ risk attitudes. The results demonstrate that precipitation shortage was the most important risk source that threaten farmers in both zones. Moreover, risks of diseases and pests and natural disasters were highly perceived by farmers in zone 1. Farmers in zone 2 were more concerned about fire damages and lack of government support. The financial strategy related to the producing at lowest possible cost is perceived as an important strategy to manage risk by farmers in both zones. Spraying for diseases and pests and liquidity are perceived as the most effective risk management strategies by farmers in zone 1, whereas farmers in zone 2 considered liquidity and choose good quality materials as an important strategy. The results also show that some farm and farmers’ characteristics (e.g. age, experience, education, household size, farm size, family labour, extension contact, off-farm work and Co-op Member) significantly impact the risk attitudes of the farmers in both zones.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49667811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The purpose of this paper is to analyze the relationship between farm size and farm performance in Algeria. Unlike most previous studies, this preliminary study uses a large dataset comprising 26 735 farmers in Biskra region. Two farming sectors are considered, namely: date palm sector (typically a traditional farming sector) and greenhouse vegetables sector (relatively a modernizing sector). The study employs two farm performance measures, farmland productivity (farm output per hectare) and land use intensity. A bivariate non-parametric regression (Nadaraya-Watson approach) and multivariate quantile regression are used to assess the IR in two farming sectors. The main findings show that the IR holds for a traditional agriculture and does not in a modernizing one. Then, when it holds, it follows a systematically monotonic smooth pattern, whereas in a highly input-intense modern sector, the relationship becomes, in the best cases, blurry. The consideration of the nature of the used technology in the underlying sector (i.e., its stage of development) is of crucial importance as a contingency factor in analyzing the IR for any farming system ignored in most studies.
{"title":"Farm Size and Productivity in Algerian Agriculture: A Contingent Relationship.","authors":"M. Amine Benmehaia","doi":"10.30682/nm2203a","DOIUrl":"https://doi.org/10.30682/nm2203a","url":null,"abstract":"The purpose of this paper is to analyze the relationship between farm size and farm performance in Algeria. Unlike most previous studies, this preliminary study uses a large dataset comprising 26 735 farmers in Biskra region. Two farming sectors are considered, namely: date palm sector (typically a traditional farming sector) and greenhouse vegetables sector (relatively a modernizing sector). The study employs two farm performance measures, farmland productivity (farm output per hectare) and land use intensity. A bivariate non-parametric regression (Nadaraya-Watson approach) and multivariate quantile regression are used to assess the IR in two farming sectors. The main findings show that the IR holds for a traditional agriculture and does not in a modernizing one. Then, when it holds, it follows a systematically monotonic smooth pattern, whereas in a highly input-intense modern sector, the relationship becomes, in the best cases, blurry. The consideration of the nature of the used technology in the underlying sector (i.e., its stage of development) is of crucial importance as a contingency factor in analyzing the IR for any farming system ignored in most studies.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47899531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Noure El Imene Boumali, F. Mamine, Foued Cheriet, E. Montaigne, Foudil Arbouche
This article analyses several possibilities to valorize prickly pear farming in Algeria, a context dominated by semi-arid ecosystems. It uses sociotechnical and evolutionary approaches in order to understand the new dynamics happening within this sector. Based on field surveys and literature review, this study shows that the production and processing of prickly pear by-products present a high potential, but remains largely under-exploited. Production is mostly artisanal, collection uses traditional practices and marketing is dominated by unstructured and informal channels. The development of processing activities is fairly recent and its dynamic reflects the high interest for this emerging sector by adopting certain practices already observed elsewhere. Finally, an important constraint is foreign market entry. Due to the partial failure of producer’s commercial export strategies’, local outlets remain dominant.
{"title":"Analyse du processus d'émergence de la filière figue de barbarie et de ses coproduits en Algérie : potentiel, contraintes et perspectives","authors":"Noure El Imene Boumali, F. Mamine, Foued Cheriet, E. Montaigne, Foudil Arbouche","doi":"10.30682/nm2203h","DOIUrl":"https://doi.org/10.30682/nm2203h","url":null,"abstract":"This article analyses several possibilities to valorize prickly pear farming in Algeria, a context dominated by semi-arid ecosystems. It uses sociotechnical and evolutionary approaches in order to understand the new dynamics happening within this sector. Based on field surveys and literature review, this study shows that the production and processing of prickly pear by-products present a high potential, but remains largely under-exploited. Production is mostly artisanal, collection uses traditional practices and marketing is dominated by unstructured and informal channels. The development of processing activities is fairly recent and its dynamic reflects the high interest for this emerging sector by adopting certain practices already observed elsewhere. Finally, an important constraint is foreign market entry. Due to the partial failure of producer’s commercial export strategies’, local outlets remain dominant.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44873063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The study focuses on dairy cattle farming systems and the sources of innovation for breeders in the Setif and Souk-Ahras dairy basins recognized by cereals, dairy cattle breeding and irrigated crops. A sample of 140 family farms was selected and surveyed between 2017 and 2018. A typology of livestock systems was constructed using of a PCA and AHC. The results show three groups. G1 retains 68% of breeders with small farms, combining polyculture with dairy cattle breeding; G2, 30% of breeders, the farm is medium-sized and the productive orientation is mixed farming and dairy cattle breeding; G3, made up of large grain farmers and mixed cattle breeders (milk/meat). The cattle breeds exploited are Red Holstein and Montbeliard, 74% dominant. The origin of innovation relating to breeding practices comes mainly from local socio_x0002_technical networks, whereas formal extension by public services is ineffective (0.64 %). It appears that group1 occupies the first position in terms of acquiring information on innovations, followed by G2 and 3. Socio-technical networks operate from 27 to 33% in the 3 groups. The veterinarian contributes 25% in G1 and 2; at 41% in G3.
{"title":"Caractérisation des exploitations agriculture-élevage et origine de l’innovation dans les principaux bassins laitiers de l’Algérie.","authors":"Zakia Himeur, H. Ikhlef, Toufik Madani","doi":"10.30682/nm2203d","DOIUrl":"https://doi.org/10.30682/nm2203d","url":null,"abstract":"The study focuses on dairy cattle farming systems and the sources of innovation for breeders in the Setif and Souk-Ahras dairy basins recognized by cereals, dairy cattle breeding and irrigated crops. A sample of 140 family farms was selected and surveyed between 2017 and 2018. A typology of livestock systems was constructed using of a PCA and AHC. The results show three groups. G1 retains 68% of breeders with small farms, combining polyculture with dairy cattle breeding; G2, 30% of breeders, the farm is medium-sized and the productive orientation is mixed farming and dairy cattle breeding; G3, made up of large grain farmers and mixed cattle breeders (milk/meat). The cattle breeds exploited are Red Holstein and Montbeliard, 74% dominant. The origin of innovation relating to breeding practices comes mainly from local socio_x0002_technical networks, whereas formal extension by public services is ineffective (0.64 %). It appears that group1 occupies the first position in terms of acquiring information on innovations, followed by G2 and 3. Socio-technical networks operate from 27 to 33% in the 3 groups. The veterinarian contributes 25% in G1 and 2; at 41% in G3.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42070858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
European Administration has spent years trying to shift traffic from the road to the sea, using intermodality in order to achieve a modal rebalancing. Meanwhile we keep waiting. This study analyses new approaches that strengthen the modal shift, rather than focusing simply on the reduction of externalities. A possible option is to redefine ports, conceptualising them as redistribution and coordination centers and not only as areas of cargo exchange. The present article analyses this problem by attempting to promote intermodality (truck and short sea shipping) for the transport of highly perishable products (vegetables) exported from southeast Spain, which is the leading supplier to Europe. It is analysed the location of coordination centers between customer-provider by applying a p-median multicriteria model, adapted to the transport of perishables. This scheme avoids bias in decision-making processes.
{"title":"The last chance of intermodal strategies for redistribution of vegetables from Southeast of Spain","authors":"Juan Carlos Pérez Mesa","doi":"10.30682/nm2203g","DOIUrl":"https://doi.org/10.30682/nm2203g","url":null,"abstract":"European Administration has spent years trying to shift traffic from the road to the sea, using intermodality in order to achieve a modal rebalancing. Meanwhile we keep waiting. This study analyses new approaches that strengthen the modal shift, rather than focusing simply on the reduction of externalities. A possible option is to redefine ports, conceptualising them as redistribution and coordination centers and not only as areas of cargo exchange. The present article analyses this problem by attempting to promote intermodality (truck and short sea shipping) for the transport of highly perishable products (vegetables) exported from southeast Spain, which is the leading supplier to Europe. It is analysed the location of coordination centers between customer-provider by applying a p-median multicriteria model, adapted to the transport of perishables. This scheme avoids bias in decision-making processes.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47161606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In the last programming period of the European Maritime Fisheries Fund, Fisheries Local Action Groups (FLAGs) have been in charge of meeting the objectives of Union Priority 4, aimed at boosting territorial cohesion and employment in European coastal areas. These local partnerships have hence received support for the elaboration of local development strategies that should promote both territorial and sectorial projects, balancing the interests of the different stakeholders involved. This article provides for a literature review of the scientific contributions on FLAGs, organizing the main findings according to the six dimensions of the Porter’s Diamond Model in the context of the cluster analysis on coastal communities’ competitiveness. Moreover, by focusing on FLAGs from Italy, Spain and France, the paper discusses the orientation towards sectoral and territorial interests in the Mediterranean. It emerges that while the literature has mostly emphasized their territorial functions, FLAGs- especially those in areas with relatively higher incidence of employment in fisheries-related sectors- have prioritized projects of sectorial scope.
{"title":"Local partnerships for the development of coastal regions: a review of Fisheries Local Action Groups with focus on the Mediterranean","authors":"Alberto Ceccacci, L. Mulazzani, G. Malorgio","doi":"10.30682/nm2203c","DOIUrl":"https://doi.org/10.30682/nm2203c","url":null,"abstract":"In the last programming period of the European Maritime Fisheries Fund, Fisheries Local Action Groups (FLAGs) have been in charge of meeting the objectives of Union Priority 4, aimed at boosting territorial cohesion and employment in European coastal areas. These local partnerships have hence received support for the elaboration of local development strategies that should promote both territorial and sectorial projects, balancing the interests of the different stakeholders involved. This article provides for a literature review of the scientific contributions on FLAGs, organizing the main findings according to the six dimensions of the Porter’s Diamond Model in the context of the cluster analysis on coastal communities’ competitiveness. Moreover, by focusing on FLAGs from Italy, Spain and France, the paper discusses the orientation towards sectoral and territorial interests in the Mediterranean. It emerges that while the literature has mostly emphasized their territorial functions, FLAGs- especially those in areas with relatively higher incidence of employment in fisheries-related sectors- have prioritized projects of sectorial scope.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47585256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Farolfi, E. Lavaine, S. Morardet, Oumaima Lfakir, F. Khamassi, M. Willinger
Groundwater resources are a crucial driver of development. Since the 1970s, the expansion of irrigated land on the margins of the existing ‘traditional’ oases has been encouraged by the Tunisian authorities to enhance local development. As a result, oases in Southern Tunisia are currently facing sustainability concerns. This situation requires alternative water management approaches, in which local actors collaborate and contribute to the design of new rules. To understand Tunisian oasis farmers’ perceptions of water rules and public organisations, in 2021, we conducted an online survey in Jemna, an oasis in the Kebili region in Southern Tunisia. The picture that emerged from the online survey is that farmers in extension areas have distinctive characteristics but also similarities with farmers in the traditional oasis. Both types of farmers mainly cultivate date palm (monoculture), and, like farmers in the extensions, many farmers in the traditional oasis have a private borehole. All farmers in the Jemna oasis clearly perceive the limited availability and poor quality of the groundwater resource. However, they do not believe these problems cause conflict among farmers. They consider that, to solve possible conflicts and to ensure better water management in the oasis, collaboration among farmers is more effective than changes to rules issued by existing organisations. These preliminary results, if confirmed, can have important policy implications, as the farmers’ perceptions of water rules and organisations, as well as farmers’ willingness to collaborate, are crucial for a possible new approach to water management in the oasis.
{"title":"Farmers’ perceptions of water management in Jemna oasis, Southern Tunisia","authors":"S. Farolfi, E. Lavaine, S. Morardet, Oumaima Lfakir, F. Khamassi, M. Willinger","doi":"10.30682/nm2205d","DOIUrl":"https://doi.org/10.30682/nm2205d","url":null,"abstract":"Groundwater resources are a crucial driver of development. Since the 1970s, the expansion of irrigated land on the margins of the existing ‘traditional’ oases has been encouraged by the Tunisian authorities to enhance local development. As a result, oases in Southern Tunisia are currently facing sustainability concerns. This\u0000situation requires alternative water management approaches, in which local actors collaborate and contribute to the design of new rules. To understand Tunisian oasis farmers’ perceptions of water rules and public organisations, in 2021, we conducted an online survey in Jemna, an oasis in the Kebili region in Southern Tunisia.\u0000The picture that emerged from the online survey is that farmers in extension areas have distinctive characteristics but also similarities with farmers in the traditional oasis. Both types of farmers mainly cultivate date palm (monoculture), and, like farmers in the extensions, many farmers in the traditional oasis have a private borehole.\u0000All farmers in the Jemna oasis clearly perceive the limited availability and poor quality of the groundwater resource. However, they do not believe these problems cause conflict among farmers. They consider that, to solve possible conflicts and to ensure better water management in the oasis, collaboration among farmers is\u0000more effective than changes to rules issued by existing organisations. These preliminary results, if confirmed, can have important policy implications, as the farmers’ perceptions of water rules and organisations, as well as\u0000farmers’ willingness to collaborate, are crucial for a possible new approach to water management in the oasis.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48027708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In this study, uses of labor were characterized using the ‘Work Balance’ method in a sample of 17 oasis farms. The results showed that almost 44% of total uses of labor are devoted to livestock, while the remainders 56% are used for crops. The labor required to raise livestock was almost entirely (92%) provided by family member, whereas that required for crops was mostly provided by hired laborers. Date palms are the pillar of the oasis farming system and enable the positive synergies of this mixed crop/livestock system. Date wastes and cereal straw are used to feed the animals, while the livestock supplies the farmers with milk and meat, and their sale ensures the purchase of agricultural inputs in the period preceding date harvest. Our results show that labor is an essential component of oasis farming systems, as it provides opportunities to achieve a circular economy. Otherwise, on farms specialized in crops that have no livestock, the economic efficiency of labor is higher, thanks to higher investments. Taken together, these results suggest that there are ways to improve the efficiency of the uses of labor on oasis farms.
{"title":"Comparing the uses of available labor\u0000and capital in diversified farming systems\u0000in Drâa oases (Morocco)","authors":"Mohamed Taher Sraïri, Younes Naqach","doi":"10.30682/nm2205b","DOIUrl":"https://doi.org/10.30682/nm2205b","url":null,"abstract":"In this study, uses of labor were characterized using the ‘Work Balance’ method in a sample of 17 oasis farms. The results showed that almost 44% of total uses of labor are devoted to livestock, while the remainders 56% are used for crops. The labor required to raise livestock was almost entirely (92%) provided by family member, whereas that required for crops was mostly provided by hired laborers. Date palms are the pillar of the oasis farming system and enable the positive synergies of this mixed crop/livestock system. Date wastes and cereal straw are used to feed the animals, while the livestock supplies the farmers with milk and meat, and their sale ensures the purchase of agricultural inputs in the period preceding date harvest. Our results show that labor is an essential component of oasis farming systems, as it provides opportunities to achieve a circular economy. Otherwise, on farms specialized in crops that have no livestock, the economic efficiency of labor is higher, thanks to higher investments. Taken together, these results suggest that there are ways to improve the efficiency of the uses of labor on oasis farms.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42911556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Benmoussa, N. El Kadri, N. Ben Aissa, M. Ben Mimoun
Since their establishment, “traditional” oases have been known to be three-layered, while modern oaseshave been organized from their outset with one layer only of ‘Deglet Nour’ date palm cultivars. However, these definitions may no longer apply for Kebilian oases. A survey was therefore carried out on a random sample of 52 plots in Kebilian oases (“traditional” n=26 and “modern” n=26) to investigate the current situation. The data collected were analysed by the Pivot Tables method and a Chi-2 test of independence, and by a Multiple Component Analysis completed by an Ascending Hierarchical Classification analysis to characterise and classify each oasis type. Our results showed that “modern” oases have greater crop diversity than expected and can be organized in two or three-layer oases. In contrast, high crop diversity and the three vertical layers were found to be less frequent than expected in “traditional” oases. Our investigation found water availability in the oases, and irrigation frequency, to be the key factors of Kebilian oasis layout and typology changes. Agro-biodiversity losses could jeopardize the sustainability of the oasis system in “traditional” oases.
{"title":"A field survey suggests changes in oasis characteristics in the Kebili region of southern Tunisia","authors":"H. Benmoussa, N. El Kadri, N. Ben Aissa, M. Ben Mimoun","doi":"10.30682/nm2205a","DOIUrl":"https://doi.org/10.30682/nm2205a","url":null,"abstract":"Since their establishment, “traditional” oases have been known to be three-layered, while modern oaseshave been organized from their outset with one layer only of ‘Deglet Nour’ date palm cultivars. However, these definitions may no longer apply for Kebilian oases. A survey was therefore carried out on a random sample of 52 plots in Kebilian oases (“traditional” n=26 and “modern” n=26) to investigate the current situation. The data collected were analysed by the Pivot Tables method and a Chi-2 test of independence, and by a Multiple Component Analysis completed by an Ascending Hierarchical Classification analysis to characterise and classify each oasis type. Our results showed that “modern” oases have greater crop diversity than expected and can be organized in two or three-layer oases. In contrast, high crop diversity and the three vertical layers were found to be less frequent than expected in “traditional” oases. Our investigation found water availability in the oases, and irrigation frequency, to be the key factors of Kebilian oasis layout and typology changes. Agro-biodiversity losses could jeopardize the sustainability of the oasis system in “traditional” oases.","PeriodicalId":54721,"journal":{"name":"New Medit","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45053921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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