@article{fdi:010092611, title = {{C}limate effects on honey bees can be mitigated by beekeeping management in {K}enya}, author = {{L}eyton, {M}. {S}. and {L}attorff, {H}. {M}. {G}. and {K}iatoko, {N}. and {R}equier, {F}abrice}, editor = {}, language = {{ENG}}, abstract = {{I}n recent decades, worldwide concerns about the health of honey bees motivated the development of surveys to monitor the colony losses, of which {S}ub-{S}aharan {A}frica has had limited representation. {I}n the context of climate change, understanding how climate affects colony losses has become fundamental, yet literature on this subject is scarce. {F}or the first time, we conducted a survey to estimate the livestock decrease of honey bee colonies in {K}enya for the year 2021-2022 to explore the effects of environmental conditions, such as temperature and precipitation, on livestock decrease. {W}e define "livestock decrease" from the beekeeper's perspective, including dead colonies but also, in the specific context of the tropics, the colonies that absconded from the apiary. {A} total of 589 beekeepers from a variety of areas participated in the survey. {K}enyan beekeepers had an average of 36.6% livestock decrease in 2021-2022, with higher decreases during the dry and hot (31.9%) than during the wet and cold season (20.2%). {W}e found that livestock decreases were more important with temperature for both dry and hot and wet and cold seasons. {I}nterestingly, we found that precipitation mitigated temperature effects on livestock decrease for both seasons. {F}inally, we found that beekeepers practicing water supplementation had up to 10% less livestock decrease during the dry and hot season than those that did not, suggesting it to be a relevant adaptive strategy to mitigate livestock decrease. {I}t is worth noting that beekeepers can renew their stock by trapping swarms, yet this represents a cost in time and baiting materials. {B}ased on climate change projections, we predicted that annual and seasonal livestock decrease would remain in the same range at horizon 2050 and horizon 2100. {T}hese results pinpoint difficulties in maintaining livestock for beekeepers in {K}enya and provide clues for strategies to pursue in the context of climate change.}, keywords = {{A}pis mellifera ; {B}eekeeping management strategies ; {C}limate effect ; {C}olony loss ; {L}arge-scale survey ; {S}ub-{S}aharan africa ; {KENYA}}, booktitle = {}, journal = {{J}ournal of {E}nvironmental {M}anagement}, volume = {374}, numero = {}, pages = {123879 [9 p.]}, ISSN = {0301-4797}, year = {2025}, DOI = {10.1016/j.jenvman.2024.123879}, URL = {https://www.documentation.ird.fr/hor/fdi:010092611}, }