Secondary seed removal in a degraded forest habitat in Madagascar

Abstract Forest restoration is a prime goal within the 2021–2030 UN “Decade of Ecosystem Resoration”. As part of these activities, natural regeneration has to be promoted for biological as well as for economic reasons. For this, the processes of seed dispersal, seed predation and germination have to...

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Autores principales:	Paula M. A. Fiedler, Alice De Lapparent, Jeremie Razafitsalama, Justin Sanamo, Kim J. E. Steffens, Jörg U. Ganzhorn
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/54f3beab7aba41678b71eaca3cc26134
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spelling	oai:doaj.org-article:54f3beab7aba41678b71eaca3cc261342021-12-02T18:51:52ZSecondary seed removal in a degraded forest habitat in Madagascar10.1038/s41598-021-96306-72045-2322https://doaj.org/article/54f3beab7aba41678b71eaca3cc261342021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96306-7https://doaj.org/toc/2045-2322Abstract Forest restoration is a prime goal within the 2021–2030 UN “Decade of Ecosystem Resoration”. As part of these activities, natural regeneration has to be promoted for biological as well as for economic reasons. For this, the processes of seed dispersal, seed predation and germination have to be understood in the original as well as in degraded vegetation formations. We used seed removal experiments to assess post-dispersal processes that influence recruitment along a gradient of forest degradation in Madagascar analyzing seeds of three animal dispersed tree species. The percentage of seeds consumed or dispersed, declined from forest (28.6%) to degraded forest (17.2%) to savanna (10.8%). Only three out of 1080 seeds were cached and remained intact during the 14-day experiment. All three seeds were cached in the forest habitat and none in the degraded forest and savanna. The low percentage of seeds removed may be due to the lack of endemic rodents caching seeds, as only introduced rats were recorded in the area. The species-poor fauna of potential secondary seed dispersers of the region and especially in the degraded areas might represent an obstacle for diverse regeneration in degraded regions of Madagascar.Paula M. A. FiedlerAlice De LapparentJeremie RazafitsalamaJustin SanamoKim J. E. SteffensJörg U. GanzhornNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Paula M. A. Fiedler Alice De Lapparent Jeremie Razafitsalama Justin Sanamo Kim J. E. Steffens Jörg U. Ganzhorn Secondary seed removal in a degraded forest habitat in Madagascar
description	Abstract Forest restoration is a prime goal within the 2021–2030 UN “Decade of Ecosystem Resoration”. As part of these activities, natural regeneration has to be promoted for biological as well as for economic reasons. For this, the processes of seed dispersal, seed predation and germination have to be understood in the original as well as in degraded vegetation formations. We used seed removal experiments to assess post-dispersal processes that influence recruitment along a gradient of forest degradation in Madagascar analyzing seeds of three animal dispersed tree species. The percentage of seeds consumed or dispersed, declined from forest (28.6%) to degraded forest (17.2%) to savanna (10.8%). Only three out of 1080 seeds were cached and remained intact during the 14-day experiment. All three seeds were cached in the forest habitat and none in the degraded forest and savanna. The low percentage of seeds removed may be due to the lack of endemic rodents caching seeds, as only introduced rats were recorded in the area. The species-poor fauna of potential secondary seed dispersers of the region and especially in the degraded areas might represent an obstacle for diverse regeneration in degraded regions of Madagascar.
format	article
author	Paula M. A. Fiedler Alice De Lapparent Jeremie Razafitsalama Justin Sanamo Kim J. E. Steffens Jörg U. Ganzhorn
author_facet	Paula M. A. Fiedler Alice De Lapparent Jeremie Razafitsalama Justin Sanamo Kim J. E. Steffens Jörg U. Ganzhorn
author_sort	Paula M. A. Fiedler
title	Secondary seed removal in a degraded forest habitat in Madagascar
title_short	Secondary seed removal in a degraded forest habitat in Madagascar
title_full	Secondary seed removal in a degraded forest habitat in Madagascar
title_fullStr	Secondary seed removal in a degraded forest habitat in Madagascar
title_full_unstemmed	Secondary seed removal in a degraded forest habitat in Madagascar
title_sort	secondary seed removal in a degraded forest habitat in madagascar
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/54f3beab7aba41678b71eaca3cc26134
work_keys_str_mv	AT paulamafiedler secondaryseedremovalinadegradedforesthabitatinmadagascar AT alicedelapparent secondaryseedremovalinadegradedforesthabitatinmadagascar AT jeremierazafitsalama secondaryseedremovalinadegradedforesthabitatinmadagascar AT justinsanamo secondaryseedremovalinadegradedforesthabitatinmadagascar AT kimjesteffens secondaryseedremovalinadegradedforesthabitatinmadagascar AT jorguganzhorn secondaryseedremovalinadegradedforesthabitatinmadagascar
_version_	1718377385811771392

Secondary seed removal in a degraded forest habitat in Madagascar

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