Testing the potential seed availability in dung samples: comparison of two seedling emergence methods

Wessels, Saskia; Schwabe, Angelika

doi:10.1016/j.flora.2007.08.002

Cited by 11 publications

(17 citation statements)

References 31 publications

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“…physically dormant) species of the families Fabaceae and Cistaceae from dung samples in the latter. The common garden method gives seeds more time to come out of dormancy, and fluctuations in abiotic conditions act as a signal to induce water uptake and germinate (Wessels and Schwabe, 2008), which partly explains the higher dispersal characteristics obtained in our study.…”

Section: Discussionmentioning

confidence: 58%

“…We collected dung samples of all ungulates year-round, mixed fresh faeces with sterilized sand, and monitored seedling emergence in an unheated greenhouse for three years (a method similar to the common garden experiment). Wessels and Schwabe (2008) compared the Ter Heerdt method and the common garden method, and reported more species (e.g. monocotyledons) and a higher seedling emergence of hard-seeded (i.e.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Endozoochory by the guild of ungulates in Europe’s primeval forest

Jaroszewicz

Pirożnikow

Sondej

2013

Forest Ecology and Management

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Section: Discussionmentioning

confidence: 58%

Section: Discussionmentioning

confidence: 99%

Endozoochory by the guild of ungulates in Europe’s primeval forest

Jaroszewicz

Pirożnikow

Sondej

2013

Forest Ecology and Management

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“…The manure was dried, before being stored for 2 wk in the dark at 4 °C. Samples were then concentrated by washing through a 0.2‐mm mesh (Wessels & Schwabe ), then spread thinly on trays of 50 × 30 cm over a layer of organic potting soil and a thin layer of sterilized sand. Samples were greenhouse‐grown for 13 wk (Median [Interquartile range] temperature/sunlight: 16.5 °C [14–18 °C]/16 h [16–16 h]).…”

Section: Methodsmentioning

confidence: 99%

Grazing networks provide useful functional connectivity for plants in fragmented systems

Auffret

Schmucki

Reimark

et al. 2012

J Vegetation Science

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Question To what extent does the movement of animals between fragmented habitat patches provide functional connectivity via endozoochorous seed dispersal? Location The Stockholm archipelago, Sweden. Methods We followed all movements of livestock between islands during one grazing season. After each movement, manure was collected and its seed content assessed through seedling emergence. Seedling data were then compared to vegetation surveys from the grazed islands with regard to functional traits. Results Light‐ and nitrogen‐demanding locally abundant species, and those with relatively small and persistent seeds were more likely to be moved between islands. For quantitative traits, only a subset of the available trait ranges were dispersed, with extreme values left behind. Species apparently specialized to other means of dispersal emerged from the manure samples. Neither dispersed traits nor seed density changed with timing of movement, but seed richness and diversity both increased throughout the season. The subsets of endozoochorously‐dispersed species in the established vegetation were more similar than non‐dispersed subsets between islands linked by livestock. Conclusions Grazing networks contribute to the connectivity of the core species in the system, and could provide useful tools for grassland management in fragmented landscapes.

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“…To test the potential seed availability of rabbit dung samples we carried out a seedling emergence experiment as done by Wessels and Schwabe (2008). The dung was collected in February 2008 nearby the exclosures.…”

Section: Extended Approach: Rabbit Impactmentioning

confidence: 99%