Diverse herbaceous cover crops promote vineyard arthropod diversity across different management regimes

Geldenhuys, Marinus; Gaigher, René; Pryke, James S.; Samways, Michael J.

doi:10.1016/j.agee.2020.107222

Cited by 50 publications

(41 citation statements)

References 70 publications

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“…According to our first working hypothesis, this significant association between plants and insects can increase the number of species and individuals over time. Several studies have remarked the influence that cover plants have on the abundance of insects and their role in pest management [57][58][59][60][61]. The results of the present work show a similar pattern in the attraction of insects because in all farms, more species and individuals were observed in areas with cover plants than without them.…”

Section: Discussionsupporting

confidence: 81%

Enhancement of the Diversity of Pollinators and Beneficial Insects in Intensively Managed Vineyards

Peris-Felipo

Santa

Aguado³

et al. 2021

Insects

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(1) Modern, intensive agricultural practices have been attributed to the loss of insect biodiversity and abundance in agroecosystems for the last 80 years. The aim of this work is to test whether there are statistically significant differences in insect abundance between different zones and over time on the vineyard field. (2) The study was carried out in five intensive wine farms in Spain over a three-year period (2013–2015). Each field was divided into two zones, one where cover plants were planted, and another remained unchanged (without cover). (3) A clear trend to increase the average number of insect species and individuals throughout the years in all farms was observed. Moreover, the zones with cover plants showed a significant difference with respect to the zones without. (4) The use of permanent cover plants allows creating areas of refuge for the insects favouring their conservation and reducing the agriculture impact in the insect decline.

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Section: Discussionsupporting

confidence: 81%

Enhancement of the Diversity of Pollinators and Beneficial Insects in Intensively Managed Vineyards

Peris-Felipo

Santa

Aguado³

et al. 2021

Insects

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“…Vegetation management of vineyard inter-rows clearly influence biodiversity and ecosystem service provision in vineyards [ 22 , 23 , 24 ]. Decreasing management intensity with temporary or permanent vegetation cover in the inter-rows increases plant species richness [ 19 , 20 ], which is beneficial for insect–flower interactions [ 25 ] and results in diverse arthropod populations [ 26 , 27 , 28 , 29 ]. Native cover crops in particular enhance plant-dwelling arthropod diversity in vineyards compared to exotic cover crops [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

Unexpected Effects of Local Management and Landscape Composition on Predatory Mites and Their Food Resources in Vineyards

Möth

Walzer

Redl

et al. 2021

Insects

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Viticultural practices and landscape composition are the main drivers influencing biological pest control in vineyards. Predatory mites, mainly phytoseiid (Phytoseiidae) and tydeoid mites (Tydeidae), are important to control phytophagous mites (Tetranychidae and Eriophyidae) on vines. In the absence of arthropod prey, pollen is an important food source for predatory mites. In 32 paired vineyards located in Burgenland/Austria, we examined the effect of landscape composition, management type (organic/integrated), pesticide use, and cover crop diversity of the inter-row on the densities of phytoseiid, tydeoid, and phytophagous mites. In addition, we sampled pollen on vine leaves. Typhlodromus pyri Scheuten was the main phytoseiid mite species and Tydeus goetzi Schruft the main tydeoid species. Interestingly, the area-related acute pesticide toxicity loading was higher in organic than in integrated vineyards. The densities of phytoseiid and tydeoid mites was higher in integrated vineyards and in vineyards with spontaneous vegetation. Their population also profited from an increased viticultural area at the landscape scale. Eriophyoid mite densities were extremely low across all vineyards and spider mites were absent. Biological pest control of phytophagous mites benefits from less intensive pesticide use and spontaneous vegetation cover in vineyard inter-rows, which should be considered in agri-environmental schemes.

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“…Finally, following our third hypothesis, we observed that the number of individuals increased significantly in the field and margin over time. Numerous researchers have studied the effect of the impact of plant mixtures on the abundance of insects [49,50,[82][83][84][85][86][87][88]91,92]. Our results demonstrate that, in Águilas, the number of individuals in the field grew from 52 to 151 (190.38%), while the number went up from 389 to 747 in the field margin (plus 92.03%).…”

Section: Discussionmentioning

confidence: 66%

“…Even if biotopes in the Mediterranean area are often not suitable for human intervention, urbanisation, infrastructures, and agricultural activities have led to isolation and fragmentation and the emergence of isolated biodiverse patches within the landscape [81]. The creation of multifunctional margins (MFM), banker plants, headlands, or hedges sown with a species-rich seed mixture has resulted in the fast recovery of insects, with biodiverse and abundant populations [37,51,[82][83][84][85][86][87][88][89]. According to our first working hypothesis, the integration of multifunctional margins increases the probability of finding RTE species.…”

Section: Discussionmentioning

confidence: 99%

Effectiveness of Multifunctional Margins in Insect Biodiversity Enhancement and RTE Species Conservation in Intensive Agricultural Landscapes

Santa

Aguado²,

Garí³

et al. 2021

Agronomy

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Starting in the 1950s, agricultural production has been remarkably intensified, resulting in modern management systems where a severe increase in field size led to an elimination of edges and other ecologically valuable structural elements. The resulting habitat loss caused dramatic changes in natural communities. The aim of this work is to test whether there are statistically significant differences in insect abundance over time by using multifunctional margins that are seed mixtures of autochthonous species planted in combined strips, which are the fastest way to provide significant biodiversity benefits within farmed landscapes, enhancing the diversity and abundance of insects, birds, and small mammals, offering resources and reservoirs. This study was carried out in three intensive fruit farms in Spain over a three-year period (2013–2015). Each field was divided into two zones: the margin where a multifunctional margin was planted, and another that remained unchanged in the field. A clear trend to increase RTE species throughout the years in all farms was observed. Moreover, the margin showed a significant difference with respect to the field in the average number of insect species and individuals. The use of margins improves the appearance of RTE species in mean percentages ranging between 12.06 and 25.26% according to the sampling area. Margins also favour the increase in species (148.83–232.84%) and individuals (207.24–586.70%) in agricultural landscapes. These results clearly show that margins are an essential tool to fight insect decline in intensive farming areas.

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Diverse herbaceous cover crops promote vineyard arthropod diversity across different management regimes

Cited by 50 publications

References 70 publications

Enhancement of the Diversity of Pollinators and Beneficial Insects in Intensively Managed Vineyards

Enhancement of the Diversity of Pollinators and Beneficial Insects in Intensively Managed Vineyards

Unexpected Effects of Local Management and Landscape Composition on Predatory Mites and Their Food Resources in Vineyards

Effectiveness of Multifunctional Margins in Insect Biodiversity Enhancement and RTE Species Conservation in Intensive Agricultural Landscapes

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