A natural experiment on the effects of high deer densities on the native flora of coastal temperate rain forests

Stockton, Stephen A.; Allombert, Sylvain; Gaston, Anthony J.; Martin, Jean‐Louis

doi:10.1016/j.biocon.2005.06.006

Cited by 85 publications

(89 citation statements)

References 35 publications

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“…The spatiotemporal variation of densities of wild populations is an important parameter to evaluate their ecological needs (Apps et al 2004) and dynamics (Kruuk et al 1999;Forchammer et al 2002;Angulo et al 2007), as well as their potential impacts on ecosystems (Putman and Moore 1998;Stockton et al 2005). A comparison of densities of species living in sympatry can help in understanding interspecific interactions (Latham et al 1997;Forsyth and Hickling 1998).…”

Section: Introductionmentioning

confidence: 99%

Roe and fallow deer: are they compatible neighbours?

et al. 2011

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The analysis of the relationships between population density and habitat features is important to evaluate the ecological needs of a species, its potential impact on ecosystems and its interspecific interactions. We analysed the spatial variation of roe deer Capreolus capreolus and fallow deer Dama dama densities in a Mediterranean area in summer 2007 and winter 2007/2008. Previous research has shown that fallow deer can actively displace and exclude roe deer from natural feeding sites. Here we show that both species have the greatest densities in ecotone habitats between wood and open fields (abandoned olive groves and pastures), but with contrasting geographic patterns. The fallow deer showed the greatest densities in the central northern part of the study area near to local historical release sites. The densities of roe deer were great where fallow deer were rare and low where fallow deer were abundant. Spatial overlap was great at the habitat scale, indicating a high potential for competition, but was low at the plot scale, suggesting that partitioning of space occurred at a fine scale. Supporting great numbers of deer, the ecotone areas are crucial for the management of ecosystems. We suggest that roe deer avoid areas with great densities of fallow deer and that interspecific interference from the latter affects the density and distribution of the former both at a fine and at a large scale.

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Section: Introductionmentioning

confidence: 99%

Roe and fallow deer: are they compatible neighbours?

et al. 2011

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“…The island has never been exposed to industrial logging activities, although a small number of trees may have been taken opportunistically from shorelines in the past. Understory vegetation is sparse or absent over most of the island because of intensive deer browsing (Stockton et al 2005). Ancient Murrelets nest in burrows over about half the island, mainly in an arc along the east and north coasts extending inland up to 300 m ( Figure 1).…”

Section: Study Areamentioning

confidence: 99%

Impact of a major forest blowdown event on breeding of Ancient Murrelets, <em>Synthliboramphus antiquus</em>, at a colony in Haida Gwaii, British Columbia

Gaston

Pattison²,

Brown³

2015

Can Field Nat

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“…Grazing by mammals, including deer, greatly affects plant species composition in relation to species attributes, such as palatability and morphological traits, and vice versa [8,23]. Particularly, deer are over-populated on the world-natural heritages assigned by UNESCO in Japan, and modify the ecosystems [30].…”

Section: Introductionmentioning

confidence: 99%

Pits Conserve Species Diversity in an Overgrazed Grassland

Tsuyuzaki

Takahashi²

2007

Appl Ecol Env Res

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Abstract. Decrease in species diversity by overgrazing is one of the crucial indicators for ecosystem deterioration. Sika deer (Cervus nippon Tamminck) has grazed various plants on Nakajima Island, Hokkaido, Japan, for a few decades, due to low food availability. We examined if diverse microtopography supported high species diversity by conserving specific plants on the grassland of the island where overgrazing by deer occurred. Based on TWINSPAN analysis, three plant community types were classified: grasslands represented by short seed plants, ferns, and unpalatable forbs. Grasslands dominated by short and/or unpalatable seed plants established on the flat ground, while fern species except Equisetum arvense did not establish there. Soil hardiness was higher on short-plant grasslands than on unpalatable-forb grasslands, suggesting that palatability on plants was related to plant community differentiation on the flat ground. Of 10 fern species recorded, 9 species established mostly in deep pits. Pit depth was more important than pit area to maintain high fern diversity. Those results indicated that diverse microtopography, i.e., pit development, supports fern diversity, because of the multiplier effects of predator avoidance and preferable sites for fern establishment. Diverse and/or specific microtopography must be a prerequisite to conserve rare species and high diversity in such disturbed areas.

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A natural experiment on the effects of high deer densities on the native flora of coastal temperate rain forests

Cited by 85 publications

References 35 publications

Roe and fallow deer: are they compatible neighbours?

Roe and fallow deer: are they compatible neighbours?

Impact of a major forest blowdown event on breeding of Ancient Murrelets, <em>Synthliboramphus antiquus</em>, at a colony in Haida Gwaii, British Columbia

Pits Conserve Species Diversity in an Overgrazed Grassland

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