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Interactive comment on “ Isotopic identification of global nitrogen hotspots across natural terrestrial ecosystems ” by E
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2011 |
| Abstract | I enjoyed reading this MS. I am pleased to see a global analysis of a key aspect of the N cycle based on isotopic constraints, and it’s good to see the global distribution of δ15N put to good use. The assumptions that are made about which pathways discriminate against 15N, and which don’t, is well supported by data and implies that the analysis of δ15N data ought to be in principle straightforward, and much more widely used than it is today. The conclusion that the tropics are hotspots of N cycling is not new, but it is good to see it arrived at from a top-down approach. The idea that leaching is the dominant pathway of N loss in midto high latitudes, as opposed to gaseous losses in the tropics, is consistent with other evidence and modelling. In fact one could turn the argument on its head and say that this modelling provides a plausible and quantitative |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.biogeosciences-discuss.net/8/C5010/2011/bgd-8-C5010-2011.pdf |
| Alternate Webpage(s) | https://www.biogeosciences-discuss.net/8/C6376/2012/bgd-8-C6376-2012-print.pdf |
| Alternate Webpage(s) | https://www.biogeosciences-discuss.net/8/C6360/2012/bgd-8-C6360-2012-print.pdf |
| Alternate Webpage(s) | https://www.biogeosciences-discuss.net/8/C6376/2012/bgd-8-C6376-2012.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
