An Evaluation of Five Agricultural Habitat Types for Openland Birds: Abandoned Farmland Can Have Comparative Values to Undisturbed Wetland

Kitazawa, Munehiro; Yamaura, Yuichi; Senzaki, Masayuki; Kawamura, Kazuhiro; Hanioka, Masashi; Nakamura, Futoshi

doi:10.2326/osj.18.3

Cited by 20 publications

(8 citation statements)

References 43 publications

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“…Widespread land-use change, in particular agricultural intensification with the associated loss of fallow and increased pesticide use, may have contributed to the declines of wintering buntings in Southeast Asia, and species that feed on large insects, such as shrikes and drongos (Round, 2008;Kitazawa et al, 2019). Meanwhile, changing water management and cropping regimes in rice paddies may affect wintering landbird assemblages to the detriment of species with specialised ecological needs.…”

Section: Habitat Loss and Degradationmentioning

confidence: 99%

The State of Migratory Landbirds in the East Asian Flyway: Distributions, Threats, and Conservation Needs

Yong¹,

Heim

Chowdhury

et al. 2021

Front. Ecol. Evol.

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With nearly 400 migratory landbird species, the East Asian Flyway is the most diverse of the world’s flyways. This diversity is a consequence of the varied ecological niches provided by biomes ranging from broadleaf forests to arctic tundra and accentuated by complex biogeographic processes. The distribution and migration ecology of East Asian landbirds is still inadequately known, but a recent explosion in the number of studies tracking the migration of raptors, cuckoos, kingfishers and passerines has greatly increased our knowledge about the stopover and wintering ecology of many species, and the migratory routes that link northeast Eurasia and the Asian tropics. Yet the East Asian Flyway also supports the highest number of threatened species among flyways. Strong declines have been detected in buntings (Emberizidae) and other long-distance migrants. While the conservation of migratory landbirds in this region has largely focused on unsustainable hunting, there are other threats, such as habitat loss and increased agro-chemical use driven directly by land cover change and climate-related processes. Important knowledge gaps to be addressed include (1) threats affecting species in different parts of their annual cycle, (2) range-wide population trends, (3) ecological requirements and habitat use during the non-breeding season, and (4) the conservation status of critical wintering sites (including understudied farming landscapes, such as rice fields) and migration bottlenecks along the flyway.

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Section: Habitat Loss and Degradationmentioning

confidence: 99%

The State of Migratory Landbirds in the East Asian Flyway: Distributions, Threats, and Conservation Needs

Yong¹,

Heim

Chowdhury

et al. 2021

Front. Ecol. Evol.

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“…The results of previous studies have revealed that regeneration of native grasslands on abandoned agricultural land may be important for conserving biodiversity (Fletcher and Koford , Thogmartin et al , Valkó et al ). For example, species richness and total abundance of grassland birds in abandoned grasslands in Japan were similar to those in areas of reference habitat (Katayama et al , Kitazawa et al ). Although grasslands under restoration may differ from native grasslands in terms of vegetation structure, they may nevertheless provide suitable habitat for grassland birds (Fletcher and Koford , Kennedy et al ).…”

Section: Discussionmentioning

confidence: 62%

Passive restoration contributes to bird conservation in Brazilian Pampa grasslands

2019

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The global decline of biodiversity makes it important to find affordable ways to conserve and restore habitats. Restoration is useful for conserving native grasslands, with passive restoration defined as either natural colonization or unassisted recovery. Grasslands in southeastern South America have been transformed into croplands and impacted by other human activities. We describe the first assessment of passive restoration as a management tool to conserve birds in the Pampa grasslands of Brazil. We compared bird species richness using coverage-based rarefaction and extrapolation, applying PERMANOVA for composition, and the abundance of bird communities between sites undergoing passive restoration (PR) and sites with native grasslands (NG). We employed fitted generalized linear mixed models (GLMM) to quantify relationships between bird occurrence and vegetation structure and cover. We recorded 61 species of birds during our study (45 in PR and 46 in NG) and 762 individuals (333 in PR and 429 in NG). Of these species, 15 were restricted to PR and 16 to NG. Grassland specialists and threatened species were found in both PR and NG, and only vegetation height differed between PR and NG. We detected eight species of conservation concern, including three recorded only in PR, three only in NG, and two in both PR and NG. The absence of marked differences in species richness and composition of bird communities between passiverestoration and native grasslands in our study suggests that grasslands in the process of passive restoration can provide habitat for many species of grassland birds and that passive restoration is an appropriate management tool for biodiversity conservation in Brazilian grasslands.

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“…For example, in the Yufutsu Plain of northern Japan, Kitazawa et al found that the species richness of ''openland'' birds (defined as birds inhabiting grasslands and wetlands) was higher in abandoned farmland than in areas with groundmounted solar-energy power plants but that species richness of openland birds in solar-energy power plants was not significantly different than that recorded in pasture and cropland. 88 This result was probably driven by the large number of openland birds that nest in trees given that these were more abundant in abandoned farmland than in areas within solar-energy power plants. 88 It is, however, conceivable that designs of PV arrays can accommodate some trees and their growth (via spacing) without compromising solar-energy generation or economy of scale.…”

Section: Co-development Of Renewable Energymentioning

confidence: 99%

“…88 This result was probably driven by the large number of openland birds that nest in trees given that these were more abundant in abandoned farmland than in areas within solar-energy power plants. 88 It is, however, conceivable that designs of PV arrays can accommodate some trees and their growth (via spacing) without compromising solar-energy generation or economy of scale. Overall, the case of solar development in the Yufutsu Plain illustrates that the development of renewable energy in abandoned farmland could reduce some ecosystem goods and services, in this case, nesting habitat for avian species.…”

Section: Co-development Of Renewable Energymentioning

confidence: 99%

Restoring Abandoned Farmland to Mitigate Climate Change on a Full Earth

et al. 2020

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An Evaluation of Five Agricultural Habitat Types for Openland Birds: Abandoned Farmland Can Have Comparative Values to Undisturbed Wetland

Cited by 20 publications

References 43 publications

The State of Migratory Landbirds in the East Asian Flyway: Distributions, Threats, and Conservation Needs

The State of Migratory Landbirds in the East Asian Flyway: Distributions, Threats, and Conservation Needs

Passive restoration contributes to bird conservation in Brazilian Pampa grasslands

Restoring Abandoned Farmland to Mitigate Climate Change on a Full Earth

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