What restricts generative rejuvenation of Calluna vulgaris in continental, dry heathland ecosystems: Seed production, germination ability or safe site conditions?

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What restricts generative rejuvenation of Calluna vulgaris in continental, dry heathland ecosystems: Seed production, germination ability or safe site conditions? / Henning, Katrin; Von Oheimb, Goddert; Sabine, Tischew.
In: Ecological Questions, Vol. 21, 10.07.2015, p. 25-28.

Research output: Journal contributionsJournal articlesResearchpeer-review

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@article{3656e80d7310457598f7918bb2a5d422,
title = "What restricts generative rejuvenation of Calluna vulgaris in continental, dry heathland ecosystems: Seed production, germination ability or safe site conditions?",
abstract = "A large-scale field experiment with different management options (free-range grazing, onetime cutting, additional disturbances and their interactions) was carried out in a continental, dry heathland. Within the framework of the experiment seed production and germination ability of over-aged Calluna individuals as well as specific safe site conditions were investigated to reveal restricting factors for the generative rejuvenation of Calluna. The calculated values of seed production and germination ability of over-aged Calluna individuals can be compared with those from literature or exceed the values reported there. Therefore, seed production and germination ability are not the limiting factors for the generative rejuvenation of Calluna. Free-range grazing with large herbivores combined with onetime cutting of over-aged Calluna stands supports the generative rejuvenation, especially due to the creation of specific safe sites, which are crucial for a successful survival of Calluna seedlings. Particularly a light shadowing seems to be the restricting factor for a successful generative rejuvenation of Calluna in continental, dry heathlands.",
keywords = "Disturbance, Free-range grazing, Germination, Management, Seedling establishment, Ecosystems Research",
author = "Katrin Henning and {Von Oheimb}, Goddert and Tischew Sabine",
year = "2015",
month = jul,
day = "10",
doi = "10.12775/EQ.2015.004",
language = "English",
volume = "21",
pages = "25--28",
journal = "Ecological Questions",
issn = "1644-7298",
publisher = "Nicolaus Copernicus University",

}

RIS

TY - JOUR

T1 - What restricts generative rejuvenation of Calluna vulgaris in continental, dry heathland ecosystems

T2 - Seed production, germination ability or safe site conditions?

AU - Henning, Katrin

AU - Von Oheimb, Goddert

AU - Sabine, Tischew

PY - 2015/7/10

Y1 - 2015/7/10

N2 - A large-scale field experiment with different management options (free-range grazing, onetime cutting, additional disturbances and their interactions) was carried out in a continental, dry heathland. Within the framework of the experiment seed production and germination ability of over-aged Calluna individuals as well as specific safe site conditions were investigated to reveal restricting factors for the generative rejuvenation of Calluna. The calculated values of seed production and germination ability of over-aged Calluna individuals can be compared with those from literature or exceed the values reported there. Therefore, seed production and germination ability are not the limiting factors for the generative rejuvenation of Calluna. Free-range grazing with large herbivores combined with onetime cutting of over-aged Calluna stands supports the generative rejuvenation, especially due to the creation of specific safe sites, which are crucial for a successful survival of Calluna seedlings. Particularly a light shadowing seems to be the restricting factor for a successful generative rejuvenation of Calluna in continental, dry heathlands.

AB - A large-scale field experiment with different management options (free-range grazing, onetime cutting, additional disturbances and their interactions) was carried out in a continental, dry heathland. Within the framework of the experiment seed production and germination ability of over-aged Calluna individuals as well as specific safe site conditions were investigated to reveal restricting factors for the generative rejuvenation of Calluna. The calculated values of seed production and germination ability of over-aged Calluna individuals can be compared with those from literature or exceed the values reported there. Therefore, seed production and germination ability are not the limiting factors for the generative rejuvenation of Calluna. Free-range grazing with large herbivores combined with onetime cutting of over-aged Calluna stands supports the generative rejuvenation, especially due to the creation of specific safe sites, which are crucial for a successful survival of Calluna seedlings. Particularly a light shadowing seems to be the restricting factor for a successful generative rejuvenation of Calluna in continental, dry heathlands.

KW - Disturbance

KW - Free-range grazing

KW - Germination

KW - Management

KW - Seedling establishment

KW - Ecosystems Research

UR - http://www.scopus.com/inward/record.url?scp=85030848160&partnerID=8YFLogxK

U2 - 10.12775/EQ.2015.004

DO - 10.12775/EQ.2015.004

M3 - Journal articles

AN - SCOPUS:85030848160

VL - 21

SP - 25

EP - 28

JO - Ecological Questions

JF - Ecological Questions

SN - 1644-7298

ER -

DOI

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