The possible influence of sea level rise on the precarious dunes of Devesa del Saler Beach, Valencia, Spain

Sanjaume, E.; Pardo, José Casas

doi:10.1007/bf00157745

Cited by 4 publications

(2 citation statements)

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“…Plantings of E. maritimum on a sandy shingle beach in Sizewell, Suffolk, Britain, during April/May have shown that planting location on the beach/dune profile is the most important factor that affected establishment; neither organic matter nor fertilizer had significant effects (Walmsley & Davy 1997cWalmsley 2002). Eryngium maritimum has also been reestablished in dunes by plantings in Spain (Sanjaume & Pardo 1991;Escaray et al 2010;Ley Vega de Seoane 2010). Young plants can be grown from root fragments (about 6 cm long) from the main root, as well as from offshoots from nursery plants.…”

Section: Restoration Measuresmentioning

confidence: 99%

Biological Flora of the British Isles: Eryngium maritimum

Isermann

Rooney

2014

Journal of Ecology

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Summary1. This account presents information on all aspects of the biology of Eryngium maritimum L. (Sea Holly) that are relevant to understanding its ecological characteristics and behaviour. The main topics are presented within the standard framework of the Biological Flora of the British Isles: distribution, habitat, communities, responses to biotic factors, responses to environment, structure and physiology, phenology, floral and seed characters, herbivores and disease, history and conservation. 2. Eryngium maritimum is a native perennial hemicryptophyte, with a large taproot, spiny and leathery leaves and a pale bluish inflorescence. It has a more or less continuous distribution in suitable habitats along the coasts of Great Britain and Ireland up to about 55°N, but it is more scattered further north. On the west coast, it is found south of the Hebrides, and on the east coast, with some exceptions, south of Yorkshire. In Europe, it has a wide, but mainly southern temperate, European distribution along the coasts of the Atlantic Ocean, the Baltic, the Mediterranean, and the Black and Azov Seas. Its northern distribution limit is at c. 60°N. 3. Eryngium maritimum grows typically on sand and shingle beaches, foredunes and yellow dunes, as well as in semi-fixed grey dunes. Its habitats have full sunlight and are more or less dry. It occurs in many coastal plant communities from the beach inland, and because of its wide European distribution, it occurs with members of several different biogeographical species groups. 4. Protected from grazing by its spininess and sclerophylly, E. maritimum is nevertheless vulnerable to direct damage by trampling. It supports few insect herbivores, probably because of chemical defences. Historically, it has had a great number of medicinal uses. 5. Eryngium maritimum is unable to withstand competition from faster and more densely growing plant species. In many coastal regions, in both temperate and mediterranean parts of Europe, it is one of the rarest and most threatened plant species, mainly because of habitat loss and land-use changes.Key-words: climatic limitation, communities, conservation, ecophysiology, geographical and altitudinal distribution, germination, herbivory, mycorrhiza, reproductive biology, soils Sea Holly. Apiaceae subfamily Saniculoideae. A long-lived, perennial herb with a long, well-developed taproot and thick and fleshy rhizomes extending laterally from buried stems. Reproductive stems 0.15-0.60 m; lower part often root-like and buried in the sand; aerial part pale below but with bluish tinge above, erect, robust, terete or sulcate, glabrous, solid and widely branched above so that the plant forms an open cushion. Basal leaves several; lamina 4-10 9 15-20 cm, leathery, glabrous, intensely glaucous, subrotund in outline and palmately 3(À5) lobed; base truncate or cordate; venation palmate and reticulate, the veins thick, prominent; margin thick, cartilaginous, with large spinose teeth; petioles about as *Nomenclature of vascular plants follows Stace (2010) ...

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Section: Restoration Measuresmentioning

confidence: 99%

Biological Flora of the British Isles: Eryngium maritimum

Isermann

Rooney

2014

Journal of Ecology

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“…However, inland areas are less suitable because of higher vegetation cover [31] , [65] . This constraint on the width of suitable breeding habitat is particularly relevant for the conservation of breeding populations of Kentish Plover, especially under the current context of coastal regression [66] , and under future scenarios of sea-level rise from climate change [67] , [68] . Therefore, the protection of the widest beaches would be an adequate strategy for plover conservation, given the difficulty of mitigating the effects of coastal erosion.…”

Section: Discussionmentioning

confidence: 99%

Nest Site Selection by Kentish Plover Suggests a Trade-Off between Nest-Crypsis and Predator Detection Strategies

Gómez‐Serrano

López‐López

2014

PLoS ONE

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Predation is one of the main causes of adult mortality and breeding failure for ground-nesting birds. Micro-habitat structure around nests plays a critical role in minimizing predation risk. Plovers nest in sites with little vegetation cover to maximize the incubating adult visibility, but many studies suggest a trade-off between nest-crypsis and predator detection strategies. However, this trade-off has not been explored in detail because methods used so far do not allow estimating the visibility with regards to critical factors such as slope or plant permeability to vision. Here, we tested the hypothesis that Kentish plovers select exposed sites according to a predator detection strategy, and the hypothesis that more concealed nests survive longer according to a crypsis strategy. To this end, we obtained an accurate estimation of the incubating adult's field of vision through a custom built inverted periscope. Our results showed that plovers selected nest sites with higher visibility than control points randomly selected with regards to humans and dogs, although nests located in sites with higher vegetation cover survived longer. In addition, the flushing distance (i.e., the distance at which incubating adults leave the nest when they detect a potential predator) decreased with vegetation cover. Consequently, the advantages of concealing the nest were limited by the ability to detect predators, thus indirectly supporting the existence of the trade-off between crypsis and predator detection. Finally, human disturbance also constrained nest choice, forcing plovers to move to inland sites that were less suitable because of higher vegetation cover, and modulated flushing behavior, since plovers that were habituated to humans left their nests closer to potential predators. This constraint on the width of suitable breeding habitat is particularly relevant for the conservation of Kentish Plover in sand beaches, especially under the current context of coastal regression and increase of recreational activities.

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