Comparison of insect biodiversity between organic and conventional plantations in Kodagu, Karnataka, India

Mone, Shamika; Kusha, K. M.; Jathanna, Devcharan; Ali, Musthak; Goel, Anurag

doi:10.11609/jott.o3778.6186-94

Cited by 18 publications

(12 citation statements)

References 68 publications

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“…Distance to protected area and percentage canopy cover influenced abundance and richness of butterflies in the Western Ghats (Dolia et al 2008). High butterfly diversity including legally protected species has been reported in agri-horticultural ecosystems (Das et al 2016) and also in tea and coffee plantations (Bora & Meitei 2014;Mone et al 2014).…”

Section: Introductionmentioning

confidence: 99%

“…A few ecological studies have reported the butterfly communities in agroecosystems in India, mostly from the Western Ghats region (Kunte 1997;Kunte et al 1999;Shahabuddin & Ali 2001;Dolia et al 2008;Mone et al 2014). The natural vegetation types harbor greater diversity than human-modified habitats but home gardens and agricultural fields display distinct species composition (Kunte et al 1999).…”

Section: Introductionmentioning

confidence: 99%

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<b>Butterfly diversity in human-modified ecosystems of southern Sikkim, the eastern Himalaya, India</b>

et al. 2018

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Understanding wild biodiversity of agroecosystems and other human dominated landscapes are crucial for the management and conservation of biological resources. Here, we studied the diversity, abundance, similarity and functionality of butterflies in different human modified ecosystems in southern Sikkim, the Eastern Himalaya. The study was conducted from January 2015 to May 2015 by covering three habitat types namely, farm-based agroforestry, large cardamom-based agroforestry and adjacent natural forest ecosystem. We followed point count method along the transect to collect data on butterflies in the study area. A total of 911 individual butterflies representing six families and 44 species were recorded during the present study in southern Sikkim. Species richness and abundances of butterflies were significantly different among the systems. While diversity and abundance were higher in forest patches, each system harbored unique species assemblages with low similarity between habitats. The information on larval host plants were available for 41 butterfly species which depended on 128 plant species belonging to 27 families. The butterfly community was dominated by oligophagous II (19 species) followed by polyphagous (11 species), monophagous (8 species) and oligophagous I (3 species). Similarly, generalist feeders had higher species and abundance compared to specialist feeders. Specialist species were confined to forest habitat, whereas generalist species were mostly restricted to cultivated systems. The findings of the study highlighted the need for conservation of traditionally managed agroecosystems in order to conserve butterflies and other associated biodiversity.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

<b>Butterfly diversity in human-modified ecosystems of southern Sikkim, the eastern Himalaya, India</b>

et al. 2018

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“…Intensive agricultural practices drive biodiversity loss with potentially drastic consequences for ecosystem services. Increased awareness of the high environmental costs of agricultural intensification has prompted a search for solutions that promote the preservation and restoration of natural resources (Mone et al 2014). To advance conservation and production goals, agricultural practices should be compatible with biodiversity.…”

Section: Introductionmentioning

confidence: 99%

“…The diversity of ants is correlated with the above-ground vegetation as food resources and protects against environmental disruption (Rubiana et al 2015). Organic farming results in higher weed diversity than does intensive farming (Mone et al 2014). Widhiono et al (2017) found that vegetation cover affected the diversity of endemic dung beetles.…”

Section: Introductionmentioning

confidence: 99%

Short Communication: Ant (Hymenoptera: Formicidae) diversity as bioindicator of agroecosystem health in northern slope of Mount Slamet, Central Java, Indonesia

et al. 2017

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Widhiono I, Pandhani RD, Darsono, Riwidiharso E, Santoso S, Prayoga L. 2017. Short Communication: Ant (Hymenoptera: Formicidae) diversity as bioindicator of agroecosystem health in northern slope of Mount Slamet, Central Java, Indonesia. Biodiversitas 18: 1475-1480. This study examined the diversity of ant assemblages in two different agroecosystems (organic and intensive farming) with maize as main crops on the northern slope of Mount Slamet, Indonesia from April to August 2015. The response of ant diversity to the different farming systems was evaluated. In total, 359 ants from 17 species in five subfamilies were collected: 13 species from the organic farm and 10 species from the conventional farm. Seven (41%) species were found only on the organic farm, four (23%) species were found only on the conventional farm, and six (35%) species were found on both. The Morisita-Horn similarity index (33%) showed that the similarity of the species composition in the two habitats was low. More individual ants were found on the organic farm than the intensive farm [287 (79.94%) vs. 72 (20.05%) individuals]. The diversity of the ants was affected by the density of weeds with organic farming. Hypoponera sp. had the highest Indicator Value (50.7), followed by Aphaenogaster sp. (28.9), Diacamma sp. (28.2), and Odontoponera sp. (27.6), however only Odontoponera sp can be used as bioindicator. Although the ant diversity was higher with organic farming than with intensive farming, there was no correlation with soil conditions. As a bioindicator, the Indicator Value reflects agroecosystem health better than does ant diversity.

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“…These plantations were also using organic farming methods, with hardly to none agrochemical input and natural fertilizers. It has been observed that these agricultural practices also contribute to higher insect abundance and diversity in agricultural landscapes [51].…”

Section: Discussionmentioning

confidence: 99%

The effect of local land use on aerial insectivorous bats (Chiroptera) within the two dominating crop types in the Northern-Caribbean lowlands of Costa Rica

2019

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Land transformation into agricultural areas and the intensification of management practices represent two of the most devastating threats to biodiversity worldwide. Within this study, we investigated the effect of intensively managed agroecosystems on bat activity and species composition within two focal areas differing in landscape structure. We sampled bats via acoustic monitoring and insects with flight interception traps in banana and pineapple monoculture plantations and two nearby protected forested areas within the area of Sarapiquí, Costa Rica. Our results revealed that general occurrence and feeding activity of bats was higher above plantations compared to forested areas. We also recorded higher species richness at recording sites in plantations. This trend was especially strong within a fragmented landscape, with only four species recorded in forests, but 12 above pineapple plantations. Several bat species, however, occurred only once or twice above plantations, and forest specialist species such as Centronycteris centralis, Myotis riparius and Pteronotus mesoamericanus were only recorded at forest sites. Our results indicated, that mostly mobile open space and edge foraging bat species can use plantations as potential foraging habitat and might even take advantage of temporal insect outbreaks. However, forests are vital refugia for several species, including slower flying forest specialists, and thus a prerequisite to safeguard bat diversity within agricultural dominated landscapes.

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Comparison of insect biodiversity between organic and conventional plantations in Kodagu, Karnataka, India

Cited by 18 publications

References 68 publications

<b>Butterfly diversity in human-modified ecosystems of southern Sikkim, the eastern Himalaya, India</b>

<b>Butterfly diversity in human-modified ecosystems of southern Sikkim, the eastern Himalaya, India</b>

Short Communication: Ant (Hymenoptera: Formicidae) diversity as bioindicator of agroecosystem health in northern slope of Mount Slamet, Central Java, Indonesia

The effect of local land use on aerial insectivorous bats (Chiroptera) within the two dominating crop types in the Northern-Caribbean lowlands of Costa Rica

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