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van der Linden, A.; van de Ven, G.W.J.; Oosting, S.J.; van Ittersum, M.K.; de Boer, I.J.M. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Exploring grass-based beef production under climate change by integration of grass and cattle growth models |
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Journal Article |
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Year |
2016 |
Publication |
Advances in Animal Biosciences |
Abbreviated Journal |
Advances in Animal Biosciences |
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7 |
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03 |
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224-226 |
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2040-4700 |
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LiveM, ft_macsur |
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MA @ admin @ |
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4877 |
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Kipling, R.P.; Bannink, A.; Özkan Gülzari, Ş.; Van Middelkoop, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Editorial |
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Journal Article |
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2016 |
Publication |
Advances in Animal Biosciences |
Abbreviated Journal |
Advances in Animal Biosciences |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
7(03) |
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03 |
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223 |
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2040-4700 |
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LiveM, ft_macsur |
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MA @ admin @ |
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4878 |
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Bannink, A.; van Lingen, H.J.; Ellis, J.L.; France, J.; Dijkstra, J. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
The contribution of mathematical modeling to understanding dynamic aspects of rumen metabolism |
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Journal Article |
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Year |
2016 |
Publication |
Frontiers in Microbiology |
Abbreviated Journal |
Frontiers in Microbiology |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
7 |
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1820 |
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lactating dairy-cows; milk urea concentration; fatty-acid production; ruminal fermentation; mechanistic model; holstein cows; beef-cattle; stoichiometric parameters; methane production; feeding frequency |
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Abstract |
All mechanistic rumen models cover the main drivers of variation in rumen function, which are feed intake, the differences between feedstuffs and feeds in their intrinsic rumen degradation characteristics, and fractional outflow rate of fluid and particulate matter. Dynamic modeling approaches are best suited to the prediction of more nuanced responses in rumen metabolism, and represent the dynamics of the interactions between substrates and micro-organisms and inter-microbial interactions. The concepts of dynamics are discussed for the case of rumen starch digestion as influenced by starch intake rate and frequency of feed intake, and for the case of fermentation of fiber in the large intestine. Adding representations of new functional classes of micro-organisms (i.e., with new characteristics from the perspective of whole rumen function) in rumen models only delivers new insights if complemented by the dynamics of their interactions with other functional classes. Rumen fermentation conditions have to be represented due to their profound impact on the dynamics of substrate degradation and microbial metabolism. Although the importance of rumen pH is generally acknowledged, more emphasis is needed on predicting its variation as well as variation in the processes that underlie rumen fluid dynamics. The rumen wall has an important role in adapting to rapid changes in the rumen environment, clearing of volatile fatty acids (VFA), and maintaining rumen pH within limits. Dynamics of rumen wall epithelia and their role in VFA absorption needs to be better represented in models that aim to predict rumen responses across nutritional or physiological states. For a detailed prediction of rumen N balance there is merit in a dynamic modeling approach compared to the static approaches adopted in current protein evaluation systems. Improvement is needed on previous attempts to predict rumen VFA profiles, and this should be pursued by introducing factors that relate more to microbial metabolism. For rumen model construction, data on rumen microbiomes are preferably coupled with knowledge consolidated in rumen models instead of relying on correlations with rather general aspects of treatment or animal. This helps to prevent the disregard of basic principles and underlying mechanisms of whole rumen function. |
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2017-01-06 |
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1664-302x |
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LiveM, ft_MACSUR |
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no |
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MA @ admin @ |
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4932 |
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Author |
Rusu, T. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Impacts of climate change on agricultural technology management in the Transylvanian Plain, Romania |
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Conference Article |
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Year |
2016 |
Publication |
Journal of Earth Science & Climatic Change |
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7 (5) |
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Suppl. 96 |
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5th International Conference on Earth Science & Climate Change, 25–27 July 2016, Bangkok |
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CropM |
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MA @ admin @ |
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5022 |
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Permanent link to this record |
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Author |
Luo, K.; Tao, F.; Moiwo, J.P.; Xiao, D. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Attribution of hydrological change in Heihe River Basin to climate and land use change in the past three decades |
Type |
Journal Article |
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Year |
2016 |
Publication |
Scientific Reports |
Abbreviated Journal |
Scientific Reports |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
6 |
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33704 |
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water-resources; groundwater recharge; stream-flow; surface-energy; china; runoff; impact; evapotranspiration; cover; availability; Science & Technology – Other Topics |
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Abstract |
The contributions of climate and land use change (LUCC) to hydrological change in Heihe River Basin (HRB), Northwest China were quantified using detailed climatic, land use and hydrological data, along with the process-based SWAT (Soil and Water Assessment Tool) hydrological model. The results showed that for the 1980s, the changes in the basin hydrological change were due more to LUCC (74.5%) than to climate change (21.3%). While LUCC accounted for 60.7% of the changes in the basin hydrological change in the 1990s, climate change explained 57.3% of that change. For the 2000s, climate change contributed 57.7% to hydrological change in the HRB and LUCC contributed to the remaining 42.0%. Spatially, climate had the largest effect on the hydrology in the upstream region of HRB, contributing 55.8%, 61.0% and 92.7% in the 1980s, 1990s and 2000s, respectively. LUCC had the largest effect on the hydrology in the middle-stream region of HRB, contributing 92.3%, 79.4% and 92.8% in the 1980s, 1990s and 2000s, respectively. Interestingly, the contribution of LUCC to hydrological change in the upstream, middle-stream and downstream regions and the entire HRB declined continually over the past 30 years. This was the complete reverse (a sharp increase) of the contribution of climate change to hydrological change in HRB. |
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2016-10-18 |
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English |
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2045-2322 |
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CropM, ft_macsur |
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no |
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MA @ admin @ |
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4668 |
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Permanent link to this record |