The demography of the annual halophyte Spergularia marina on a baltic seashore meadow
Identifieur interne : 005A23 ( Istex/Corpus ); précédent : 005A22; suivant : 005A24The demography of the annual halophyte Spergularia marina on a baltic seashore meadow
Auteurs : Peter TorstenssonSource :
- Vegetatio [ 0042-3106 ] ; 1987-01-01.
English descriptors
- KwdEn :
- Adult state, Annual halophyte spergularia marina, Annual plant, Annual plants, Annual populations, Annual species, Apical meristem, Axillary meristems, Baltic, Baltic seashore meadow, Cakile edentula, Dead individuals, Demographical attributes, Different sites, Dune, Ecol, Environmental gradient, First flower, First week, First weeks, Floerkea proserpinacoides, Flower production, Flowering period, Flowering season, Germination, High densities, High impact, High mortality, High water, Hypersaline conditions, Important factor, Jefferies, Jensen jefferies, Juvenile state, Klemov raynal, Last observation, Life cycle, Life state, Lower site, Mack pyke, Marina, Marina seedlings, Mature capsules, Middle site, Mortality, Mortality rate, Natural population, Natural regulation, Population biology, Population dynamics, Regehr bazzaz, Reproductive, Reproductive activities, Reproductive capacity, Reproductive output, Salicornia europaea, Saltpatch, Saltpatch sites, Sand dune, Schaal leverich, Seashore meadow, Seed dimorphism, Seed loss, Seed output, Seed production, Seedling, Seedling emergence, Seedling mortality, Seedling state, Seedling survivorship, Sharitz mccormick, Short period, Small variation, Soil samples, Spergularia, Spergularia marina, Spergularia media, Sterk, Such relation, Survivorship, Survivorship curves, Survivorship patterns, Symonides, Torstensson, Torstensson telenius, Upper site, Upper site middle site, Watkinson, Watkinson harper, Yearly variation.
- Teeft :
- Adult state, Annual halophyte spergularia marina, Annual plant, Annual plants, Annual populations, Annual species, Apical meristem, Axillary meristems, Baltic, Baltic seashore meadow, Cakile edentula, Dead individuals, Demographical attributes, Different sites, Dune, Ecol, Environmental gradient, First flower, First week, First weeks, Floerkea proserpinacoides, Flower production, Flowering period, Flowering season, Germination, High densities, High impact, High mortality, High water, Hypersaline conditions, Important factor, Jefferies, Jensen jefferies, Juvenile state, Klemov raynal, Last observation, Life cycle, Life state, Lower site, Mack pyke, Marina, Marina seedlings, Mature capsules, Middle site, Mortality, Mortality rate, Natural population, Natural regulation, Population biology, Population dynamics, Regehr bazzaz, Reproductive, Reproductive activities, Reproductive capacity, Reproductive output, Salicornia europaea, Saltpatch, Saltpatch sites, Sand dune, Schaal leverich, Seashore meadow, Seed dimorphism, Seed loss, Seed output, Seed production, Seedling, Seedling emergence, Seedling mortality, Seedling state, Seedling survivorship, Sharitz mccormick, Short period, Small variation, Soil samples, Spergularia, Spergularia marina, Spergularia media, Sterk, Such relation, Survivorship, Survivorship curves, Survivorship patterns, Symonides, Torstensson, Torstensson telenius, Upper site, Upper site middle site, Watkinson, Watkinson harper, Yearly variation.
Abstract
Abstract: The survivorship and reproduction of the annual halophyte Spergularia marina was studied during four years on three different sites on a Baltic seashore meadow. The survivorship showed variation both between years and between sites. The mortality rate was not density-dependent in spite of very high densities in some years. At two of the sites the seed output was related to density, but individuals differed in their reproductive capacity. Limitation of the flower production was the main reason for this difference. At the third site the length of the flowering season determined the reproductive output.
Url:
DOI: 10.1007/BF00114716
Links to Exploration step
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<front><div type="abstract" xml:lang="en">Abstract: The survivorship and reproduction of the annual halophyte Spergularia marina was studied during four years on three different sites on a Baltic seashore meadow. The survivorship showed variation both between years and between sites. The mortality rate was not density-dependent in spite of very high densities in some years. At two of the sites the seed output was related to density, but individuals differed in their reproductive capacity. Limitation of the flower production was the main reason for this difference. At the third site the length of the flowering season determined the reproductive output.</div>
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<abstract>Abstract: The survivorship and reproduction of the annual halophyte Spergularia marina was studied during four years on three different sites on a Baltic seashore meadow. The survivorship showed variation both between years and between sites. The mortality rate was not density-dependent in spite of very high densities in some years. At two of the sites the seed output was related to density, but individuals differed in their reproductive capacity. Limitation of the flower production was the main reason for this difference. At the third site the length of the flowering season determined the reproductive output.</abstract>
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