Climate Change, Crop Adaptation

Yadav, Shubham; Redden, R. J.; Hatifield, Jerry L.; Lotze‐Campen, Hermann

doi:10.1002/0471238961.climyada.a01

Cited by 9 publications

(8 citation statements)

References 56 publications

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“…There are numerous viable options including farm management practices such as e.g., diversification, crop/variety choice and input intensity, technological developments, breeding research and offfarm risk management like weather insurance (e.g. Bailey-Serres et al, 2019;Smit & Skinner, 2002;Yadav et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Extreme weather events cause significant crop yield losses at the farm level in German agriculture

et al. 2022

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Section: Introductionmentioning

confidence: 99%

Extreme weather events cause significant crop yield losses at the farm level in German agriculture

et al. 2022

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“…In addition, the authors argue for more policy support to improve access to improved seeds and to allow farmers to produce, save, exchange, and sell seeds. These are all useful suggestions that have been backed up by a number of other authors (for example, Yadav et al 2011). …”

Section: Introductionmentioning

confidence: 89%

The roles of community seed banks in climate change adaption

Vernooy¹,

Sthapit

Otieno

et al. 2017

Development in Practice

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Although community level seed-saving initiatives have been around for about 30 years, until recently they have received little attention in the scientific literature on climate change adaptation and plant genetic resources. Based on research experiences from various countries, this article argues that community seed banks can enhance the resilience of farmers, in particular of communities and households most affected by climate change. Community seed banks can secure improved access to, and availability of, diverse, locally adapted crops and varieties, and enhance related indigenous knowledge and skills in plant management, including seed selection, treatment, storage, multiplication, and distribution.Bien que les initiatives de conservation des semences au niveau des communautés aient existé depuis environ trente ans, jusqu'à récemment ils ont fait l'objet de peu d'attention de la part de la littérature scientifique sur l'adaptation au changement climatique et les ressources phytogénétiques. Se basant sur les recherches conduites dans plusieurs pays, cet article avance que les banques de semences communautaires peuvent renforcer la résilience des agriculteurs, en particulier ceux vivant dans les communautés et les foyers les plus affectés par le changement climatique. Les banques de semences communautaires peuvent garantir l'amélioration de l'accès à/la disponibilité des cultures et des variétés adaptées au plan local, et renforcer les connaissances et les compétences indigènes en gestion des plantations, y compris la sélection, le traitement, le stockage, la multiplication et la distribution des semences.Aunque las iniciativas comunitarias para conservar semillas existen desde hace casi 30 años, hasta hace poco tiempo dichas iniciativas habían recibido poca atención en investigaciones científicas sobre la adaptación al cambio climático y a los recursos fitogenéticos. Tomando como base investigaciones realizadas en varios países, el presente artículo sostiene que los bancos comunitarios de semillas pueden acentuar la resiliencia de los campesinos, particularmente la de aquellos hogares y comunidades más afectados por el cambio climático. Los bancos comunitarios de semillas pueden mejorar el acceso a cultivos adaptados a ambientes locales y a variedades diversas, así como su disponibilidad. A la vez, enriquecen los conocimientos indígenas, fortaleciendo sus habilidades en la gestión de plantas, lo cual abarca la selección, el tratamiento, el almacenamiento, la multiplicación y la distribución de semillas. ARTICLE HISTORY

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“…Given the significant reliance of Latin American economies on agricultural production, and the exposure of agriculture to a variable climate, there is a large concern in the region about present and future climate and climate-related impacts (Trenberth and Stepaniak 2001). Latin American countries have an important percentage of their GDP in agriculture (10% on average), and the region is a net exporter of food globally, accounting for 11% of the global value (Yadav et al 2011). According to the agricultural statistics supplied by the United Nations Food and Agriculture Organization in 2008, 65% of the world production of corn and more than 90% of the world production of soybeans were grown in Argentina, Brazil, the United States, and China (Llano et al 2012).…”

Section: Methodsmentioning

confidence: 99%

An Optimized System for the Classification of Meteorological Drought Intensity with Applications in Drought Frequency Analysis

Carrão

Andrew

Naumann

et al. 2014

Journal of Applied Meteorology and Climatology

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The adequacy of meteorological drought intensity threshold levels based on deviations of monthly precipitation totals from normal climatological conditions is reconsidered. The motivation for this study is the observation that reference classification systems are fixed for all climatological regions, and threshold levels have been proposed without regard for the statistical distribution of accumulated precipitation in space and time. This misrepresentation of precipitation variability may lead to erroneous estimates of meteorological drought onset in specific areas where natural breaks in the cumulative distribution of monthly precipitation do not fit the generalized classification systems. In this study, a new optimized classification system based on the nonparametric ''Fisher-Jenks'' algorithm is proposed for the estimation of meteorological drought intensity threshold levels from monthly precipitation totals. The optimized classification system is compared using the tabular accuracy index (TAI) to three fixed classification systems that are proposed in the literature and widely applied in the operational setting. An assessment of drought intensity classifications with optimized and fixed threshold levels shows that 1) six optimized categories most accurately divide precipitation totals into the most appropriate drought intensities, 2) optimized thresholds always give considerably improved drought intensity category allocations over fixed thresholds with the same number of categories, and 3) fixed thresholds underestimate the drought onset. An analysis of monthly and long-term drought frequency for Latin America has been conducted for assessing the spatial link between meteorological drought intensity categories computed with the Fisher-Jenks algorithm and different climate classifications. The results show a systematic match between climate variability in the region and spatial patterns of meteorological drought intensity.

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Climate Change, Crop Adaptation

Cited by 9 publications

References 56 publications

Extreme weather events cause significant crop yield losses at the farm level in German agriculture

Extreme weather events cause significant crop yield losses at the farm level in German agriculture

The roles of community seed banks in climate change adaption

An Optimized System for the Classification of Meteorological Drought Intensity with Applications in Drought Frequency Analysis

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