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Effects of connectivity on seed dispersal patterns in hedgerows / Cendrine Mony in Journal of Vegetation Science, vol. 33, n°1 (Année 2023)
[article]
Titre : Effects of connectivity on seed dispersal patterns in hedgerows Type de document : Livre Auteurs : Cendrine Mony, Auteur ; Quentin Landais, Auteur ; Romain Georges, Auteur ; Alain Butet, Auteur ; Françoise Burel, Auteur ; Olivier Jambon, Auteur ; Valérie Gouesbet, Auteur ; Aude Ernoult, Auteur Année de publication : 2023 Article en page(s) : e13113 Langues : Anglais Catégories : [habitats/milieux] 84.2 - BORDURES DE HAIES
[Thèmes] Corridor écologiqueMots-clés : corridor écologique fragment forestier haie connectivité du paysage communauté végétale dispersion des graines prédation des graines Résumé : "Results = Our results revealed no difference in the number of trapped seeds in connected and unconnected pathways, but did reveal a difference in the number and richness of viable seeds, with corridors having a positive impact. In the predation experiment, the rate of removal of small seeds was higher in connected pathways than in unconnected pathways.
Conclusion : Connectivity enhanced the dispersal of viable forest plant species but also the predation of small seeds, which possibly played a role in their subsequent dispersal. This work highlighted the effect of connectivity on seed dynamics within hedgerows and improves our understanding of the role of hedgerows as stepping-stones for seed dispersal among forest patches." (source : auteurs)Type de publication : périodique Référence biblio : Mony C., Landais Q., Georges R., Butet A., Burel F., Jambon O., Gouesbet V., Ernoult A., 2023 - Effects of connectivity on seed dispersal patterns in hedgerows. Journal of Vegetation Science, 33 (1) : e13113. ID PMB : 70976 DOI : 10.1111/jvs.13113 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=70976
in Journal of Vegetation Science > vol. 33, n°1 (Année 2023) . - e13113[article]Exemplaires
Cote Localisation Disponibilité aucun exemplaire Assessing the effects of mowing machinery on seed dispersal pattern: a test of two methods of seed tracking / Clémence Chaudron in Botany letters, vol. 164, n°4 (Année 2017)
[article]
Titre : Assessing the effects of mowing machinery on seed dispersal pattern: a test of two methods of seed tracking Type de document : Livre Auteurs : Clémence Chaudron, Auteur ; Francis Isselin-Nondedeu, Auteur Année de publication : 2017 Article en page(s) : pp. 413-423 Langues : Anglais Mots-clés : dispersion des graines mower road verges field margins seed shadows seed traits Résumé : "Seed dispersal is a key process that humans can influence in various ways. However, this type of interaction is less studied than dispersal by other animals. In addition, tracking seeds to determine dispersal pattern is a complicated task. We explored the effects of mowing machinery on seed dispersal in roadsides by testing two methods, (i) by marking fruits and diaspore of plants within the standing vegetation (ii) by making fake plants containing estimated quantities of marked seeds. We measured the pattern of dispersal by considering each seed and the centre of seed shadows of each species calculated by two means (i.e. the centroids and the gravity centres). We estimated the distance of dispersal from roadsides, and the deviation angle from the direction of the mowing. We then analysed the variation in dispersal patterns among species, seed mass and width/length ratio by using correlation tests. Seeds coloured within the standing vegetation were detected from 0.5 to 15.51 metres away from roadsides, with deviation angles from the mowing machinery ranging from –153.43° to 161.57°. With the other method we found a mean distance of dispersal ranging from 0.5 to 13.01 metres and deviation angle from –168.69° to 180°. We did not find strong variation in dispersal patterns among species and seed traits, but we demonstrated however that mowing machinery influenced both dispersal distance and deviation angles." Type de publication : périodique Référence biblio : Chaudron C., Isselin-Nondedeu F., 2017 - Assessing the effects of mowing machinery on seed dispersal pattern: a test of two methods of seed tracking. Botany letters, 164 (4) : 413-423. Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=67306
in Botany letters > vol. 164, n°4 (Année 2017) . - pp. 413-423[article]Exemplaires
Cote Localisation Disponibilité P0177-6 Brest Exclu du prêt