For more than a decade climate change has been the focus of much research and analysis. Despite t... more For more than a decade climate change has been the focus of much research and analysis. Despite the global implications of the problem the majority of research and analysis has involved researchers from industrialized countries. This paper analyzes how climate change research and analysis is performed in India, a major lesser-industrialized country. We explore the factors that play a role in shaping the capability of India to carry out, and respond to, climate change analyses. We also sketch out the links between national ...
Proceedings of the National Academy of Sciences of the United States of America, May 22, 2018
Protecting the environment and enhancing food security are among the world's Sustainable Deve... more Protecting the environment and enhancing food security are among the world's Sustainable Development Goals and greatest challenges. International food trade is an important mechanism to enhance food security worldwide. Nonetheless, it is widely concluded that in international food trade importing countries gain environmental benefits, while exporting countries suffer environmental problems by using land and other resources to produce food for exports. Our study shows that international food trade can also lead to environmental pollution in importing countries. At the global level, our metaanalysis indicates that there was increased nitrogen (N) pollution after much farmland for domestically cultivated N-fixing soybeans in importing countries was converted to grow high N-demanding crops (wheat, corn, rice, and vegetables). The findings were further verified by an intensive study at the regional level in China, the largest soybean-importing country, where the conversion of soybean...
Carbon istotope ratios of modern, 10,000-year-old, and more than 40,000-year-old Atriplex confert... more Carbon istotope ratios of modern, 10,000-year-old, and more than 40,000-year-old Atriplex confertifolia (C(4)) material from Nevada caves indicate that the C(4) photosynthetic pathway was operating in these plants over that period. Samples of a plant with crassulacean acid metabolism, Opuntia polyacantha, were also measured, and a shift in the 8(13)C value from -21.9 per mil (more than 40,000 years ago) to -13.9 per mil (10,000 years ago) was observed. This provides unique physiological evidence to support the hypothesis that the late Pleistocene pluvial climate in the region already had become drier about 10,000 years ago.
Page 1. COMPARATIVE PHYSIOLOGICAL ECOLOGY OF AN ARCTIC AND AN ALPINE POPULATION OF THALICTRUM ALP... more Page 1. COMPARATIVE PHYSIOLOGICAL ECOLOGY OF AN ARCTIC AND AN ALPINE POPULATION OF THALICTRUM ALPINUM L. HA MOONEY AND ALBERT W. JOHNSON Department of Botany, University of California, Los Angeles, Calif. ...
... 4, No. 1, 1972, pp. 61-72 RECENT CLIMATIC CHANGE AND DEVELOPMENT OF THE BRISTLECONE PINE (P. ... more ... 4, No. 1, 1972, pp. 61-72 RECENT CLIMATIC CHANGE AND DEVELOPMENT OF THE BRISTLECONE PINE (P. LONGAEVA BAILEY) KRUMMHOLZ ZONE, MT. WASHINGTON, NEVADA VALMORE C. LAMARCHE, JR. ... Living bristlecone pines (Pinus longaeva Bailey) on ...
... Page 8. VJ (jintenta 4. Phenology, Growth, and Allocation in Global Terrestrial Productivity ... more ... Page 8. VJ (jintenta 4. Phenology, Growth, and Allocation in Global Terrestrial Productivity Robert B. Jackson, Martin J. Lechowicz, Xia Li, and Harold A. Mooney I. Introduction 61 II. Phenology 62 III. Growth and Allocation 69 IV. ...
For more than a decade climate change has been the focus of much research and analysis. Despite t... more For more than a decade climate change has been the focus of much research and analysis. Despite the global implications of the problem the majority of research and analysis has involved researchers from industrialized countries. This paper analyzes how climate change research and analysis is performed in India, a major lesser-industrialized country. We explore the factors that play a role in shaping the capability of India to carry out, and respond to, climate change analyses. We also sketch out the links between national ...
Proceedings of the National Academy of Sciences of the United States of America, May 22, 2018
Protecting the environment and enhancing food security are among the world's Sustainable Deve... more Protecting the environment and enhancing food security are among the world's Sustainable Development Goals and greatest challenges. International food trade is an important mechanism to enhance food security worldwide. Nonetheless, it is widely concluded that in international food trade importing countries gain environmental benefits, while exporting countries suffer environmental problems by using land and other resources to produce food for exports. Our study shows that international food trade can also lead to environmental pollution in importing countries. At the global level, our metaanalysis indicates that there was increased nitrogen (N) pollution after much farmland for domestically cultivated N-fixing soybeans in importing countries was converted to grow high N-demanding crops (wheat, corn, rice, and vegetables). The findings were further verified by an intensive study at the regional level in China, the largest soybean-importing country, where the conversion of soybean...
Carbon istotope ratios of modern, 10,000-year-old, and more than 40,000-year-old Atriplex confert... more Carbon istotope ratios of modern, 10,000-year-old, and more than 40,000-year-old Atriplex confertifolia (C(4)) material from Nevada caves indicate that the C(4) photosynthetic pathway was operating in these plants over that period. Samples of a plant with crassulacean acid metabolism, Opuntia polyacantha, were also measured, and a shift in the 8(13)C value from -21.9 per mil (more than 40,000 years ago) to -13.9 per mil (10,000 years ago) was observed. This provides unique physiological evidence to support the hypothesis that the late Pleistocene pluvial climate in the region already had become drier about 10,000 years ago.
Page 1. COMPARATIVE PHYSIOLOGICAL ECOLOGY OF AN ARCTIC AND AN ALPINE POPULATION OF THALICTRUM ALP... more Page 1. COMPARATIVE PHYSIOLOGICAL ECOLOGY OF AN ARCTIC AND AN ALPINE POPULATION OF THALICTRUM ALPINUM L. HA MOONEY AND ALBERT W. JOHNSON Department of Botany, University of California, Los Angeles, Calif. ...
... 4, No. 1, 1972, pp. 61-72 RECENT CLIMATIC CHANGE AND DEVELOPMENT OF THE BRISTLECONE PINE (P. ... more ... 4, No. 1, 1972, pp. 61-72 RECENT CLIMATIC CHANGE AND DEVELOPMENT OF THE BRISTLECONE PINE (P. LONGAEVA BAILEY) KRUMMHOLZ ZONE, MT. WASHINGTON, NEVADA VALMORE C. LAMARCHE, JR. ... Living bristlecone pines (Pinus longaeva Bailey) on ...
... Page 8. VJ (jintenta 4. Phenology, Growth, and Allocation in Global Terrestrial Productivity ... more ... Page 8. VJ (jintenta 4. Phenology, Growth, and Allocation in Global Terrestrial Productivity Robert B. Jackson, Martin J. Lechowicz, Xia Li, and Harold A. Mooney I. Introduction 61 II. Phenology 62 III. Growth and Allocation 69 IV. ...
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