Depth distribution and composition of seed banks under different tree layers in a managed temperate forest ecosystem
Identifieur interne : 000A21 ( Main/Merge ); précédent : 000A20; suivant : 000A22Depth distribution and composition of seed banks under different tree layers in a managed temperate forest ecosystem
Auteurs : Sandrine Godefroid [Belgique] ; Shyam S. Phartyal [Belgique] ; Nico Koedam [Belgique]Source :
- Acta oecologica : (Montrouge) [ 1146-609X ] ; 2006.
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Abstract
In the present work we examined the composition and distribution across three soil layers of the buried soil seed bank under three different overstory types (Fagus syluatica, Quercus robur, Pinus syluestris) and in logging areas in a 4383-ha forest in central Belgium. The objectives were: (1) to investigate whether species composition and species richness of soil seed banks are affected by different forest stands; (2) to examine how abundant are habitat-specific forest species in seed banks under different planted tree layers. The study was carried out in stands which are replicated, managed in the same way (even-aged high forest), and growing on the same soil type with the same land-use history. In the investigated area, the seed bank did show significant differences under oak, beech, pine and in logging areas, respectively in terms of size, composition and depth occurrence. All species and layers taken together, the seed bank size ranked as follows: oak-wood > beechwood > logging area > pinewood. The same pattern was found for forest species. Seed numbers of Betula pendula, Calluna uulgaris, Dryopteris dilatata and Rubus fruticosus were significantly higher under the beech canopy. Carex remota, Impatiens paruiflora and Lotus sp. showed a significantly denser seed bank in logging areas, while Digitalis purpurea seeds were significantly more abundant in soils under the oak canopy. The fact that the seed bank of an originally homogeneous forest varies under different planted stands highlights that a long period of canopy conversion can affect the composition and depth of buried seeds.
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Phartyal</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of General Botany and Nature Management (APNA), Vrije Uniuersiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Koedam, Nico" sort="Koedam, Nico" uniqKey="Koedam N" first="Nico" last="Koedam">Nico Koedam</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of General Botany and Nature Management (APNA), Vrije Uniuersiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">06-0378193</idno><date when="2006">2006</date><idno type="stanalyst">PASCAL 06-0378193 INIST</idno><idno type="RBID">Pascal:06-0378193</idno><idno type="wicri:Area/PascalFrancis/Corpus">000082</idno><idno type="wicri:Area/PascalFrancis/Curation">000053</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000080</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000080</idno><idno type="wicri:doubleKey">1146-609X:2006:Godefroid S:depth:distribution:and</idno><idno type="wicri:Area/Main/Merge">000A21</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Depth distribution and composition of seed banks under different tree layers in a managed temperate forest ecosystem</title><author><name sortKey="Godefroid, Sandrine" sort="Godefroid, Sandrine" uniqKey="Godefroid S" first="Sandrine" last="Godefroid">Sandrine Godefroid</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of General Botany and Nature Management (APNA), Vrije Uniuersiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Phartyal, Shyam S" sort="Phartyal, Shyam S" uniqKey="Phartyal S" first="Shyam S." last="Phartyal">Shyam S. Phartyal</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of General Botany and Nature Management (APNA), Vrije Uniuersiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Koedam, Nico" sort="Koedam, Nico" uniqKey="Koedam N" first="Nico" last="Koedam">Nico Koedam</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Department of General Botany and Nature Management (APNA), Vrije Uniuersiteit Brussel, Pleinlaan 2</s1><s2>1050 Brussels</s2><s3>BEL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Belgique</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Acta oecologica : (Montrouge)</title><title level="j" type="abbreviated">Acta oecol. : (Montrouge)</title><idno type="ISSN">1146-609X</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Acta oecologica : (Montrouge)</title><title level="j" type="abbreviated">Acta oecol. : (Montrouge)</title><idno type="ISSN">1146-609X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fagus sylvatica</term><term>Forest stand</term><term>Forest zone</term><term>Forests</term><term>Pinus sylvestris</term><term>Quercus robur</term><term>Seed bank</term><term>Spatial distribution</term><term>Spatial variation</term><term>Tree</term><term>Vertical distribution</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Répartition verticale</term><term>Potentiel semencier</term><term>Arbre</term><term>Zone forestière</term><term>Peuplement forestier</term><term>Variation spatiale</term><term>Répartition spatiale</term><term>Forêt</term><term>Quercus robur</term><term>Fagus sylvatica</term><term>Pinus sylvestris</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Arbre</term><term>Forêt</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the present work we examined the composition and distribution across three soil layers of the buried soil seed bank under three different overstory types (Fagus syluatica, Quercus robur, Pinus syluestris) and in logging areas in a 4383-ha forest in central Belgium. The objectives were: (1) to investigate whether species composition and species richness of soil seed banks are affected by different forest stands; (2) to examine how abundant are habitat-specific forest species in seed banks under different planted tree layers. The study was carried out in stands which are replicated, managed in the same way (even-aged high forest), and growing on the same soil type with the same land-use history. In the investigated area, the seed bank did show significant differences under oak, beech, pine and in logging areas, respectively in terms of size, composition and depth occurrence. All species and layers taken together, the seed bank size ranked as follows: oak-wood > beechwood > logging area > pinewood. The same pattern was found for forest species. Seed numbers of Betula pendula, Calluna uulgaris, Dryopteris dilatata and Rubus fruticosus were significantly higher under the beech canopy. Carex remota, Impatiens paruiflora and Lotus sp. showed a significantly denser seed bank in logging areas, while Digitalis purpurea seeds were significantly more abundant in soils under the oak canopy. The fact that the seed bank of an originally homogeneous forest varies under different planted stands highlights that a long period of canopy conversion can affect the composition and depth of buried seeds.</div></front></TEI><affiliations><list><country><li>Belgique</li></country><region><li>Vienne (Autriche)</li></region><settlement><li>Vienne (Autriche)</li></settlement></list><tree><country name="Belgique"><region name="Vienne (Autriche)"><name sortKey="Godefroid, Sandrine" sort="Godefroid, Sandrine" uniqKey="Godefroid S" first="Sandrine" last="Godefroid">Sandrine Godefroid</name></region><name sortKey="Koedam, Nico" sort="Koedam, Nico" uniqKey="Koedam N" first="Nico" last="Koedam">Nico Koedam</name><name sortKey="Phartyal, Shyam S" sort="Phartyal, Shyam S" uniqKey="Phartyal S" first="Shyam S." last="Phartyal">Shyam S. Phartyal</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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