Wildbienen (Hymenoptera, Aculeata: Apiformes) des Mittleren Moseltals: Die Weinbausteillagen im Klotten-Treiser Moseltal

Krahner, André; Dathe, Holger H.; Schmitt, Thomas

doi:10.21248/contrib.entomol.68.1.107-131

Cited by 3 publications

(3 citation statements)

References 12 publications

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“…Since the soil of the vineyard fallows remained undisturbed after sowing of the WFS, and because wild bees use WFS as nesting habitats under low soil disturbance (Boetzl et al, 2022), it is likely that the annually mulched WFS served as a nesting habitat for wild bees. Most native bee species in viticultural landscapes are ground nesting (Krahner et al, 2018;Wersebeckmann et al, 2023), and creation of sun exposed ground spots with scarce vegetation is an important conservation measure for promoting bees (Gardein et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

“…While agricultural land-use intensification has been identified as a major driver of recent insect decline (Habel et al, 2019), abandonment of agricultural management can also result in habitat degradation (Caraveli, 2000;Giupponi et al, 2006). This is especially true for wild bee populations in steep-slope vineyards, which are often xerothermophilic, preferring open and sun-exposed habitats (Krahner et al, 2018;Böhm et al, 2024).…”

Section: Introductionmentioning

confidence: 99%

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Annually mulched wild flower strips increase the observed wild bee (Apiformes) species richness and abundance in vineyard fallows in the short term

Krahner,

Maixner,

Porten

et al. 2024

Front. Bee Sci.

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Insect conservation through habitat management is particularly important in regions of high biodiversity potential, such as steep-slope viticultural landscapes. Therefore, we studied the effects of realistic options for the conservation of open and flower-rich vineyard fallows on local wild bee communities. Using a fully-crossed factorial design, we sampled bees in 10 vineyard fallows in the Moselle region (SW Germany), which were partially subjected to different treatments (mulching, sowing of wild flower strips, combination, and untreated control). Over two years, we sampled 9323 individuals from 140 bee species with hand netting and pan traps. Based on the hand-netting samples, AICc-based model selection (Generalized Linear Mixed Models) revealed effects of fallow treatment, interacting with sampling year, on the number of sampled bee individuals and on the number of sampled bee species. In the second sampling year, we sampled significantly more individuals in wild flower strips (WFS) as well as in the combination treatment than in the untreated control. Also in the second year, the number of sampled species was significantly higher in the combination treatment than in the mulching treatment, and significantly higher than in the untreated control. Vineyard fallow management can promote bee communities in steep-slope viticultural landscapes, and options involving WFS, especially in combination with an annual mulching, should be preferred over options solely relying on repeated mulching. Moreover, the findings highlight that management options involving WFS need some time after initiation for unfolding their positive effects on bee communities.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Annually mulched wild flower strips increase the observed wild bee (Apiformes) species richness and abundance in vineyard fallows in the short term

Krahner,

Maixner,

Porten

et al. 2024

Front. Bee Sci.

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“…This region is characterised by steep slopes used for viticulture. The determining steep relief results in a highly heterogeneous landscape consisting of small cultivated and uncultivated plots, ecotone habitats, and structural elements such as dry stone walls [25,26], featuring a highly diverse bee fauna [27].…”

Section: Study Areamentioning

confidence: 99%

Crossing Old Concepts: The Ecological Advantages of New Vineyard Types

Böhm,

Krahner,

Porten

et al. 2024

Diversity

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In times of global insect decline, agricultural ecosystems need to be designed in an as insect-friendly manner as possible to halt the progressive loss of biodiversity. This is particularly important for steep-slope viticulture being established on sites with high biodiversity potential. Therefore, we compared different vineyard types (cross-slope with greened embankments vs. down-slope or other types without greened embankments), using wild bees and butterflies as indicators for biodiversity in the lower Moselle region (SW Germany). The numbers of species and individuals in both groups were significantly higher in cross-slope vineyards with greened embankments. This also held true for the number of specialised and endangered species. The communities of wild bees and butterflies differed remarkably between the vineyard types. Three wild bee and five butterfly species were identified as indicator species and hence can be used as such for further monitoring. Our results underline that the structure of steep-slope vineyards has tremendous importance for biodiversity conservation. Since the cultivation of cross-slope vineyards on steep slopes is easier than that of down-slope vineyards, we assume the great synergistic potential to reconcile agricultural use and biodiversity conservation and, in addition, to preserve steep-slope viticulture as a structural element in landscape planning.

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Evaluation of four different methods for assessing bee diversity as ecological indicators of agro-ecosystems

Krahner

Schmidt

Maixner

et al. 2021

Ecological Indicators

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Wildbienen (Hymenoptera, Aculeata: Apiformes) des Mittleren Moseltals: Die Weinbausteillagen im Klotten-Treiser Moseltal

Cited by 3 publications

References 12 publications

Annually mulched wild flower strips increase the observed wild bee (Apiformes) species richness and abundance in vineyard fallows in the short term

Annually mulched wild flower strips increase the observed wild bee (Apiformes) species richness and abundance in vineyard fallows in the short term

Crossing Old Concepts: The Ecological Advantages of New Vineyard Types

Evaluation of four different methods for assessing bee diversity as ecological indicators of agro-ecosystems

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