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Background and Aims Seed bank persistence plays a highly relevant role for population dynamics. The impact of interacting environmental factors on seed longevity has only scarcely been investigated. We aimed to analyse the effects of varied soil substrate type and moisture on soil seed survival. Methods Seeds of three Rumex species native to different habitats were buried in pots placed in open-air basins. The factors substrate (sand, loam, mud), water table depth (WTD; high, intermediate, low), time, and their interactions were investigated. Viability was tested after 6, 12, and 18 months. Results Seeds of R. acetosella (dry habitat) were short-term persistent with highest survival in low WTD on sand. Survival in R. acetosa (moist habitat) was very strongly reduced after 6 months with highest survival under wet conditions. R. maritimus (wet habitat) had overall long-term seed survival, where 'substrate type' had the strongest impact. Significant interactions of 'substrate type' and WTD were detected. Conclusions Seed bank longevity is not a fixed species trait, but varies with environmental factors. Soil moisture, substrate type and their interactions have different effects on the studied species. Persistence-classifications ought to consider the impact of environmental factors.

Titel:	Effects of substrate type, moisture and its interactions on soil seed survival of three Rumex species
Autor/in / Beteiligte Person:	ABEDI, M ; BARTELHEIMER, M ; POSCHLOD, P
Link:	Volltext (PDF) View record from PASCAL Archive
Zeitschrift:	Plant and soil, Jg. 374 (2014), Heft 1-2, S. 485-495
Veröffentlichung:	Dordrecht: Springer, 2014
Medientyp:	academicJournal
Umfang:	print, 1 p.1/4
ISSN:	0032-079X (print)
Schlagwort:	Agronomy, agriculture, phytopathology Agronomie, agriculture, phytopathologie Plant biology and physiology Biologie et physiologie végétales Ecology Ecologie Soil science, pedology Science du sol, pédologie Sciences biologiques et medicales Biological and medical sciences Sciences biologiques fondamentales et appliquees. Psychologie Fundamental and applied biological sciences. Psychology Ecologie animale, vegetale et microbienne Animal, plant and microbial ecology Agronomie. Sciences du sol et productions vegetales Agronomy. Soil science and plant productions Sciences du sol Soil science Agronomie générale. Phytotechnie General agronomy. Plant production Relations sol-plante. Fertilité des sols. Fertilisation. Amendement Soil-plant relationships. Soil fertility. Fertilization. Amendments Relations sol-plante. Fertilité des sols Soil-plant relationships. Soil fertility Phytopathologie. Zoologie agricole. Protection des cultures et des forets Phytopathology. Animal pests. Plant and forest protection Plantes parasites. Mauvaises herbes Parasitic plants. Weeds Malherbologie Weeds Angiospermae Dicotyledones Mauvaise herbe Weed Malezas Polygonaceae Spermatophyta Enfouissement Burying Enterramiento Espèce Species Especie Humidité Humidity Humedad Indice Index Interaction Interacción Longévité Longevity Longevidad Niveau aquifère Aquifer level Nivel acuífero Persistance Persistence Persistencia Potentiel semencier Seed bank Banco de semillas Rumex acetosella Sol Soils Suelo Substrat Substrate Substrato Survie Survival Sobrevivencia Type Tipo Longevity index Seed burial Soil seed bank persistence Soil substrate Water table depth
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Institute of Botany, Faculty of Biology and Preclinical Medicine, University of Regensburg, 93040 Regensburg, Germany ; Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Noor, Mazanderan Province, Iran, Islamic Republic of Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Agronomy. Soil sciences and vegetal productions ; Animal, vegetal and microbial ecology ; Phytopathology. Agricultural zoology. Crops and forests protection

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Effects of substrate type, moisture and its interactions on soil seed survival of three Rumex species