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Author |
Olesen, J.E. |
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Title |
Socio-economic impacts – agricultural systems |
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Book Chapter |
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Year |
2016 |
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Pages |
397-407 |
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Quante, M.; Colijn, F. |
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Series Title |
North Sea Region climate change assessment |
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Series Volume |
Regional Climate Studies |
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ISSN  |
1862-0248 (series) |
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978-3-319-39745-0 (eBook), 978-3-319-39745-0 (hardcover) |
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4828 |
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Author |
Rusu, T.; Coste, C.L.; Moraru, P.I.; Szajdak, L.W.; Pop, A.I.; Duda, B.M. |
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Title |
Impact of climate change on agro-climatic indicators and agricultural lands in the Transylvanian Plain between 2008-2014 |
Type |
Journal Article |
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Year |
2017 |
Publication |
Carpathian Journal of Earth and Environmental Sciences |
Abbreviated Journal |
Carpathian Journal of Earth and Environmental Sciences |
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Volume |
12 |
Issue |
1 |
Pages |
23-34 |
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Keywords |
climate change; adaptation technologies; Transylvanian Plain |
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Abstract |
Integrated conservation and management of agricultural areas affected by the current global warming represents a priority at international level following the implementation of the principles of sustainable agriculture and adaptation measures. Transylvanian Plain (TP), with an area of 395,616 ha is of great agricultural importance for Romania, but with an afforestation degree of only 6.8% and numerous degradation phenomena of farmland, it has the lowest degree of sustainability to climate change. Monitoring of agro-climatic indicators and their evolution in between 2008-2014 and the analysis of the obtained data underlie the technological development of recommendations tailored to current favorable conditions for the main crops. Results obtained show that: the thermal regime of the soils in TP is of mesic type and the hydric regime is ustic; multiannual average of temperature in soil at 10 cm depth is 11.40ºC, respectively at 50 cm depth is 10.24ºC; the average yearly air temperature is 11.17ºC; multiannual average of soil moisture is 0.227 m3/m3; Multiannual average value of precipitation is 466.52 mm. During the studied period, compared with data series available (1961-1990; 1901-2000), clear decrease of the average quantities of rainfall especially during critical periods for crops, and increases in average temperatures for the entire year can be noticed. Between June and August the highest temperature difference were recorded, differences of +3.09°C to +3.65°C. There is an increase phenomenon of drought and heat; determined indicators show that most values, 61.11%, are commensurate with a semiarid climate. Aggression peaks are in February-April, July, and October-November, and for the whole period, in 19.43% of the cases are favorable and very favorable conditions for triggering erosion. Recommended agro-technical measures to limit and counteract the effects of drought, as a climatic phenomenon with major risk to agriculture in TP, refer to: i) use of a biological material resistant to water stress and heat; ii) use of management practices favorable for accumulation of, conservation and the efficient use of water from rainfall; iii) operating a system of conservation agriculture based on soil protection and desertification avoidance. |
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1842-4090; 1844-489x |
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CropM, ftnotmacsur |
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MA @ admin @ |
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4984 |
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Author |
Özkan, Ş.; Hill, J.; Cullen, B. |
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Title |
Effect of climate variability on pasture-based dairy feeding systems in south-east Australia |
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Journal Article |
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Year |
2014 |
Publication |
Animal Production Science |
Abbreviated Journal |
Animal Production Science |
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55 |
Issue |
9 |
Pages |
1106-1116 |
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Keywords |
carry-forward surplus; conserved-hay; probability; winter deficit; grown forage consumption; new-zealand; nutritive characteristics; interannual variation; botanical composition; herbage accumulation; crop; systems; cows; management; profit |
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Abstract |
The Australian dairy industry relies primarily on pasture for its feed supply. However, the variability in climate affects plant growth, leading to uncertainty in dryland pasture supply. This paper models the impact of climate variability on pasture production and examines the potential of two pasture-based dairy feeding systems: (1) to experience winter deficits; (2) to carry forward the conserved pasture surpluses as silage for future use; and (3) to conserve pasture surpluses as hay. The two dairy feeding systems examined were a traditional perennial ryegrass-based feeding system (ryegrass max. – RM) and a system that incorporated double cropping into the perennial ryegrass pasture base (complementary forage – CF). The conditional probability of the RM and CF systems to generate pasture deficits in winter were 94% and 96%, respectively. Both systems could carry forward the surplus silage into the following lactation almost once in every 4-5 years with the RM system performing slightly better than the CF system. The proportions of the grain-based concentrates fed in the two systems were 25% and 27% for the RM and CF systems, respectively. This study suggests that double-cropping systems have the potential to provide high-quality feed to support the feed gaps when pasture is not available due to increased variability in climatic conditions. |
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2015-09-23 |
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ISSN |
1836-5787 |
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LiveM |
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MA @ admin @ |
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4689 |
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Author |
Lehtonen, H.S.; Irz, X. |
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Title |
Impacts of reducing red meat consumption on agricultural production in Finland |
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Journal Article |
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Year |
2013 |
Publication |
Agriculture and Food Science |
Abbreviated Journal |
Agriculture and Food Science |
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Volume |
22 |
Issue |
3 |
Pages |
356-370 |
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Keywords |
agricultural sector modelling; food demand; greenhouse gas mitigation; agricultural policy; agricultural economics |
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This paper summarises the simulated effects on Finnish agrcultural production and trade of a 20% decrease in Finnish demand for red meat (beef, pork, lamb). According to our results, reduced red meat consumption would be offset by increased consumption of poultry meat, eggs, dairy products and fish, as well as small increases in consumption of fruits and vegetables, peas, nuts, cereal products and sweets. By including the derived demand changes in an agricultural sector model, we show that livestock production in Finland, incentivised by national production-linked payments for milk and bovine animals, would decrease by much less than 20% due to the complex nature of agricultural production and trade. Overall, assuming unchanged consumer preferences and agricultural policy, a 20% reduction in red meat consumption is not likely to lead to a substantial decrease in livestock production or changed land use, or greenhouse gas emissions, from Finnish agriculture. |
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ISSN |
1795-1895 |
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Notes |
TradeM, ftnotmacsur |
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no |
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Call Number |
MA @ admin @ |
Serial |
4607 |
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Author |
Himanen, S.J.; Ketoja, E.; Hakala, K.; Rötter, R.P.; Salo, T.; Kahiluoto, H. |
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Title |
Cultivar diversity has great potential to increase yield for feed barley |
Type |
Journal Article |
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Year |
2013 |
Publication |
Agronomy for Sustainable Development |
Abbreviated Journal |
Agron. Sust. Developm. |
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Volume |
33 |
Issue |
3 |
Pages |
519-530 |
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Keywords |
Crop cultivar; Diversity; Environmental responses; Regional yields; Yield security |
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Abstract |
This study shows an average yield increase of 415–1,338 kg ha−1 per unit increase of the Shannon diversity index for feed barley cultivar use. There is a global quest to increase food production sustainably. Therefore, judicious farmer choices such as selection of crop cultivars are increasingly important. Cultivar diversity is limited and, as a consequence, corresponding crop yields are highly impacted by local weather variations and global climate change. Actually, there is little knowledge on the relationships between yields of regional crops and cultivar diversity, that is evenness and richness in cultivar use. Here, we hypothesized that higher cultivar diversity is related to higher regional yield. We also assumed that the diversity-yield relationship depends on weather during the growing season. Our data were based on farm yield surveys of feed and malting barley, Hordeum vulgare L.; spring wheat, Triticum aestivum L.; and spring turnip rape, Brassica rapa L. ssp. oleifera, from 1998 to 2009, representing about 4,500–5,500 farms annually. We modeled the relationships between regional yields and Shannon diversity indices in high-yielding (south-west) and low-yielding (central-east) regions of Finland using linear mixed models. Our results show that an increase of Shannon diversity index increases yield of feed barley. Feed barley had also the greatest cultivar diversity. In contrast, an average yield decrease of 1,052 kg ha−1 per unit increase in Shannon index was found for spring rape in 2006 and 2008. Our findings show that cultivar diversification has potential to raise mean regional yield of feed barley. Increasing cultivar diversity thus offers a novel, sustainability-favoring means to promote higher yields. |
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English |
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1774-0746 1773-0155 |
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CropM, ftnotmacsur |
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MA @ admin @ |
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4603 |
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