@article{fdi:010081129, title = {{T}rees and their seed networks : the social dynamics of urban fruit trees and implications for genetic diversity}, author = {{R}imlinger, {A}. and {A}vana, {M}. {L}. and {A}wono, {A}. and {C}hakocha, {A}. and {G}akwavu, {A}. and {L}emoine, {T}. and {M}arie, {L}. and {M}boujda, {F}. and {V}igouroux, {Y}ves and {J}ohnson, {V}. and {V}inceti, {B}. and {C}arri{\`e}re, {S}t{\'e}phanie {M}. and {D}uminil, {J}{\'e}r{\^o}me}, editor = {}, language = {{ENG}}, abstract = {{T}rees are a traditional component of urban spaces where they provide ecosystem services critical to urban wellbeing. {I}n the {T}ropics, urban trees' seed origins have rarely been characterized. {Y}et, understanding the social dynamics linked to tree planting is critical given their influence on the distribution of associated genetic diversity. {T}his study examines elements of these dynamics (seed exchange networks) in an emblematic indigenous fruit tree species from {C}entral {A}frica, the {A}frican plum tree ({D}acryodes edulis, {B}urseraceae), within the urban context of {Y}aounde. {W}e further evaluate the consequences of these social dynamics on the distribution of the genetic diversity of the species in the city. {U}rban trees were planted predominantly using seeds sourced from outside the city, resulting in a level of genetic diversity as high in {Y}aounde as in a whole region of production of the species. {D}ebating the different drivers that foster the genetic diversity in planted urban trees, the study argues that cities and urban dwellers can unconsciously act as effective guardians of indigenous tree genetic diversity.}, keywords = {{CAMEROUN} ; {YAOUNDE}}, booktitle = {}, journal = {{PL}o{S} {O}ne}, volume = {16}, numero = {3}, pages = {e0243017 [13 ]}, ISSN = {1932-6203}, year = {2021}, DOI = {10.1371/journal.pone.0243017}, URL = {https://www.documentation.ird.fr/hor/fdi:010081129}, }