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Conference Paper: Tree seed predation on degraded hillsides in Hong Kong

TitleTree seed predation on degraded hillsides in Hong Kong
Authors
KeywordsDegraded Hillsides
Forest Regeneration
Reforestation
Seed Predation
Issue Date1997
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/foreco
Citation
Forest Ecology And Management, 1997, v. 99 n. 1-2, p. 215-221 How to Cite?
AbstractHong Kong was once entirely covered in subtropical rain forest but almost all of this had been cleared by the 17th century. Today around 9% of the land area is covered by secondary forest mostly developed since 1945 with an additional 5% under plantations, largely of exotic species. The use of mixed, native species for reforestation has only started recently. The aim of this study was to determine whether seed predation was a barrier to natural forest regeneration on degraded hillsides. Removal of seeds of eight tree species in the winter of 1995 and 12 in 1996 at four Hong Kong hillside sites was monitored. Seed removal at the two shrubland sites was higher than at the two grassland sites in both 1995 and 1996. Most seeds placed in the shrubland sites in 1996 were removed, 11 of 12 species were totally removed from one shrubland site within 60 days, while only one of 12 species was totally removed in one grassland site. Rats were found to be the major seed predator. They included Niviventer fulvescens and Rattus rattus flavipectus. The tough/thick coated seeds of Choerospondias axillaris and Elaeocarpus sylvestris had the lowest mean percentage removal. Currently, all reforestation efforts in Hong Kong use container-grown seedlings, which is expensive even on accessible sites and impractical in remote areas. The results of this study suggest that direct seeding may be possible if species with tough/thick coated seeds are used.
Persistent Identifierhttp://hdl.handle.net/10722/179584
ISSN
2015 Impact Factor: 2.826
2015 SCImago Journal Rankings: 1.749
References

 

DC FieldValueLanguage
dc.contributor.authorHau, CHen_US
dc.date.accessioned2012-12-19T10:00:00Z-
dc.date.available2012-12-19T10:00:00Z-
dc.date.issued1997en_US
dc.identifier.citationForest Ecology And Management, 1997, v. 99 n. 1-2, p. 215-221en_US
dc.identifier.issn0378-1127en_US
dc.identifier.urihttp://hdl.handle.net/10722/179584-
dc.description.abstractHong Kong was once entirely covered in subtropical rain forest but almost all of this had been cleared by the 17th century. Today around 9% of the land area is covered by secondary forest mostly developed since 1945 with an additional 5% under plantations, largely of exotic species. The use of mixed, native species for reforestation has only started recently. The aim of this study was to determine whether seed predation was a barrier to natural forest regeneration on degraded hillsides. Removal of seeds of eight tree species in the winter of 1995 and 12 in 1996 at four Hong Kong hillside sites was monitored. Seed removal at the two shrubland sites was higher than at the two grassland sites in both 1995 and 1996. Most seeds placed in the shrubland sites in 1996 were removed, 11 of 12 species were totally removed from one shrubland site within 60 days, while only one of 12 species was totally removed in one grassland site. Rats were found to be the major seed predator. They included Niviventer fulvescens and Rattus rattus flavipectus. The tough/thick coated seeds of Choerospondias axillaris and Elaeocarpus sylvestris had the lowest mean percentage removal. Currently, all reforestation efforts in Hong Kong use container-grown seedlings, which is expensive even on accessible sites and impractical in remote areas. The results of this study suggest that direct seeding may be possible if species with tough/thick coated seeds are used.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/forecoen_US
dc.relation.ispartofForest Ecology and Managementen_US
dc.subjectDegraded Hillsidesen_US
dc.subjectForest Regenerationen_US
dc.subjectReforestationen_US
dc.subjectSeed Predationen_US
dc.titleTree seed predation on degraded hillsides in Hong Kongen_US
dc.typeConference_Paperen_US
dc.identifier.emailHau, CH: chhau@hku.hken_US
dc.identifier.authorityHau, CH=rp00703en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0378-1127(97)00207-7en_US
dc.identifier.scopuseid_2-s2.0-0343035561en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0343035561&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume99en_US
dc.identifier.issue1-2en_US
dc.identifier.spage215en_US
dc.identifier.epage221en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridHau, CH=6701358580en_US
dc.identifier.citeulike593479-

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