**Source:** [IPCC (2019) Chapter 10 Table 10.22](https://www.ipcc-nggip.iges.or.jp/public/2019rf/pdf/4_Volume4/19R_V4_Ch10_Livestock.pdf).

**Dataset:** IPCC 2019 Refinement

**Licence:** [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)

**Citation:** IPCC 2019, 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Calvo Buendia, E., Tanabe, K., Kranjc, A., Baasansuren, J., Fukuda, M., Ngarize, S., Osako, A., Pyrozhenko, Y., Shermanau, P. and Federici, S. (eds). Published: IPCC, Switzerland.

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`excretaBees*` mirrors `excretaInsects*` (IPCC Table 10.22 leaching fractions are not species-specific
for these types); no bee-specific NO₃ leaching evidence justifies a different value.
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