Trends in Global Agricultural Land Use: Implications for Environmental Health and Food Security

Ramankutty, Navin; Mehrabi, Zia; Waha, Katharina; Jarvis, Larissa; Kremen, Claire; Herrero, Mario; Rieseberg, Loren H.

doi:10.1146/annurev-arplant-042817-040256

Cited by 732 publications

(457 citation statements)

References 153 publications

(161 reference statements)

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“…To realize these improvements, further investments in research and development (R&D) in the agricultural sector are required. At the same time, possible negative environmental impacts due to agricultural intensification cannot be neglected (e.g., Ramankutty et al, 2018;Rockström et al, 2017;Springmann et al, 2018;Srivastava et al, 2016;Tilman et al, 2017;Tilman & Clark, 2014). India is still one of the richest nations in terms of biodiversity, and the remaining forest area (22% of the total area) represents a significant carbon stock that needs to be conserved as a means of climate change mitigation (Nadagoudar, 2016;Roy et al, 2015;Swaminathan & Bhavani, 2013;Tian et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Agricultural Development and Land Use Change in India: A Scenario Analysis of Trade‐Offs Between UN Sustainable Development Goals (SDGs)

et al. 2020

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India has the second largest population in the world and is characterized by a broad diversity in climate, topography, flora, fauna, land use, and socioeconomic conditions. To help ensure food security in the future, agricultural systems will have to respond to global change drivers such as population growth, changing dietary habits, and climate change. However, alterations of how food is produced in the future may conflict with other UN Sustainable Development Goals (SDGs), such as the protection of land resources and climate change mitigation. It is crucial for decision‐makers to understand potential trade‐offs between these goals to find a balance of human needs and environmental impacts. In this paper, we analyze pathways of agricultural productivity, land use, and land‐cover changes in India until 2030 and their impacts on terrestrial biodiversity and carbon storage. The results show that in order to meet future food production demands, agricultural lands are likely to expand, and existing farmlands need to be intensified. However, both processes will result in biodiversity losses. At the same time, the projections reveal carbon stock increases due to intensification processes and decreases due to conversions of natural land into agriculture. On balance, we find that carbon stocks increase with the scenarios of future agricultural productivity as modeled here. In conclusion, we regard further agricultural intensification as a crucial element to help ensure food security and to slow down the expansion of cropland and pasture. At the same time, policies are required to implement this intensification in a way that minimizes biodiversity losses.

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Section: Introductionmentioning

confidence: 99%

Agricultural Development and Land Use Change in India: A Scenario Analysis of Trade‐Offs Between UN Sustainable Development Goals (SDGs)

et al. 2020

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“…Insecticides are commonly applied in agricultural landscapes as a pest management strategy (Fernandez-Cornejo & Vialou, 2014;Ramankutty et al, 2018), with neonicotinoids being one of the most widely used classes worldwide (Simon-Delso et al, 2015). However, neonicotinoids have been implicated as a threat to eusocial bees (Gill et al, 2012;Goulson, 2013;Lundin, Rundlöf, Smith, Fries, & Bommarco, 2015;Tsvetkov et al, 2017;Whitehorn, O'Connor, Wackers, & Goulson, 2012;Woodcock et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Pesticide exposure affects flight dynamics and reduces flight endurance in bumblebees

Kenna

Cooley

Pretelli

et al. 2019

Ecology and Evolution

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The emergence of agricultural land use change creates a number of challenges that insect pollinators, such as eusocial bees, must overcome. Resultant fragmentation and loss of suitable foraging habitats, combined with pesticide exposure, may increase demands on foraging, specifically the ability to collect or reach sufficient resources under such stress. Understanding effects that pesticides have on flight performance is therefore vital if we are to assess colony success in these changing landscapes. Neonicotinoids are one of the most widely used classes of pesticide across the globe, and exposure to bees has been associated with reduced foraging efficiency and homing ability. One explanation for these effects could be that elements of flight are being affected, but apart from a couple of studies on the honeybee (Apis mellifera), this has scarcely been tested. Here, we used flight mills to investigate how exposure to a field realistic (10 ppb) acute dose of imidacloprid affected flight performance of a wild insect pollinator—the bumblebee, Bombus terrestris audax. Intriguingly, observations showed exposed workers flew at a significantly higher velocity over the first ¾ km of flight. This apparent hyperactivity, however, may have a cost because exposed workers showed reduced flight distance and duration to around a third of what control workers were capable of achieving. Given that bumblebees are central place foragers, impairment to flight endurance could translate to a decline in potential forage area, decreasing the abundance, diversity, and nutritional quality of available food, while potentially diminishing pollination service capabilities.

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“…ere are increasing reports of hunger in various parts of the globe due to increasing world population [1,2]. is has led to an increase in efforts towards the achievement of Goal 2 of the Sustainable Development Goals (SDGs)-zero hunger [3].…”

Section: Introductionmentioning

confidence: 99%

Human Risk Assessment of Organochlorine Pesticide Residues in Vegetables from Kumasi, Ghana

Bolor

Boadi

Borquaye

et al. 2018

Journal of Chemistry

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e use of organochlorine pesticides has been banned worldwide due to their toxicities. However, some farmers use them illegally because of their potency. e aim of this study was to assess the level of organochlorine pesticide (OCP) residues and the potential health risk associated with vegetables, soil, and groundwater obtained from farms in Ayigya, Nsenie, Gyenyase, and Kentinkrono in Kumasi, Ghana. A total of 15 samples were analyzed using a gas chromatograph equipped with an electron capture detector. e highest mean concentration of 184.10 ± 12.11 µg/kg was recorded for methoxychlor in cabbage from Ayigya. Betahexachlorocyclohexane (beta-HCH) recorded the lowest mean concentration of 0.20 ± 0.00 µg/kg in cabbage from Ayigya. e combined risk index showed significant health risk to children than adults. e soil samples mainly contained methoxychlor followed by dichlorodiphenyltrichloroethane (DDT), aldrin, and other OCPs. Concentrations of total HCHs, total DDTs, and total OCPs in the soil samples ranged from <0.01 to 49.00, <0.01 to 165.81, and <0.01 to 174.91 µg/kg, respectively. Among all HCH and DDT isomers, only β-HCH and p,p′-DDT were detected in some of the water samples. Carcinogenic risk values for β-HCH, aldrin, and p,p′ DDT in the groundwater were found to be >10 −6 , posing a potentially serious cancer risk to consumers. Moreover, the hazard quotients (HQs) of aldrin exceeded the threshold value of one, indicating that daily exposure is a potential concern.

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Trends in Global Agricultural Land Use: Implications for Environmental Health and Food Security

Cited by 732 publications

References 153 publications

Agricultural Development and Land Use Change in India: A Scenario Analysis of Trade‐Offs Between UN Sustainable Development Goals (SDGs)

Agricultural Development and Land Use Change in India: A Scenario Analysis of Trade‐Offs Between UN Sustainable Development Goals (SDGs)

Pesticide exposure affects flight dynamics and reduces flight endurance in bumblebees

Human Risk Assessment of Organochlorine Pesticide Residues in Vegetables from Kumasi, Ghana

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