Integrating Community Ecology and Gap Analysis for Bird Conservation: Where to Locate Chihuahua's Next Protected Areas?

Moreno-Contreras, Israel; Silva, Héctor Gómez de; Cruz-Nieto, Javier; Ordaz-Morales, Jesús; Botello, Alejandro

doi:10.3375/043.037.0110

Cited by 6 publications

(3 citation statements)

References 25 publications

(4 reference statements)

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“…Taking as a basis the vegetation types where the species has been observed in Chihuahua (pine-oak forest, pine forests), its major habitat appears to be well protected within the Chihuahua reserve network. A previous study (Moreno-Contreras et al 2017) found that 26.13% (c.4,088 km 2 ) of pine-oak forest and 13.69% (c.2,143 km 2 ) of pine forest are included in this network. Nonetheless, the primary threats to these vegetation types are continued logging of large trees, catastrophic wildfires and, in some areas, agriculture and livestock grazing, even within protected areas (Martínez-Meyer et al 2014).…”

Section: Discussionmentioning

confidence: 92%

Full Issue

2018

Bulletin of the British Ornithologists' Club

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BioOne site, where you will also find the previous volume, 137. We look forward very much to working with the BioOne team in establishing a strong web presence, for the benefit both of readers of the Bulletin and authors and potential authors. The recent Newsletter (No. 9) spells out in greater detail the service provided by BioOne. Please let us have any comments and suggestions about these new arrangements. In addition to our online presence and Newsletters, we continue to meet regularly as a Club and during 2018 we shall have four 'Barley Mow' meetings plus a joint two-day meeting in Liverpool with the Society for the History of Natural History. I hope you will have seen the published details and will join us for what promises to be a stimulating and enjoyable event. The Annual Review Meeting of the Club will be held in the upstairs room at the Barley Mow, 104 Horseferry Road, Westminster, London SW1P 2EE, at 5.30 pm on Monday 21 May 2018, Papers for the meeting including the financial report and accounts will be issued shortly. The Review Meeting will be followed at 6.30 pm by Dr Bård Stokke's talk on Host selection by the Common Cuckoo. Chris Storey The 988th meeting of the Club was held on Monday 6 November 2017 in the upstairs room at the Barley Mow, 104 Horseferry Road, Westminster, London SW1P 2EE. Fifteen friends were recorded as present and three visitors. Friends attending were Miss H. Baker,

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Section: Discussionmentioning

confidence: 92%

Full Issue

2018

Bulletin of the British Ornithologists' Club

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“…Based on the rate of land conversion, Pool et al [5] projected that the ongoing expansion of ground-water irrigated cropland could eliminate the remaining lowslope valley bottom grasslands from the Valles Centrales region by 2025. Therefore, more efforts to maintain intact habitat and to enforce the protected status of GPCAs, where applicable, are needed to facilitate conservation of the Chestnut-collared Longspur and associated imperiled grassland bird species, see also [46].…”

Section: Winter Sitesmentioning

confidence: 99%

“…Combined with the apparent mobility of large flocks on wintering grounds [11] and climate based projections for habitats [10], we recommend that both the US and Mexico should act to maintain grasslands in wintering areas. Wintering areas in both countries are largely unprotected through a lack of public policy [45] and enforcement of grassland conservation policies [5,46]. Moreover, Mexico should review the political and socio-economic importance of these species, and consider federal protection for them, as the US and Canada already impose domestic restrictions associated with any legal status for these species in their breeding areas (Table 1, federal and provincial status in Canada and state species of concern and US FWS Candidate Conservation Agreements in the US).…”

Section: Winter Sitesmentioning

confidence: 99%

Migration and winter distribution of the Chestnutcollared Longspur

et al. 2017

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The Chestnut-collared Longspur (Calcarius ornatus) is one of five grassland songbirds, endemic within North America, with populations that have declined >65% since the 1960s. These species breed and winter in the northern and southern Great Plains, respectively. Identifying migration routes, wintering sites, and the timing of their habitat use is key for understanding the relative magnitude of threats across the annual cycle and effectively targeting habitats for conservation. We tracked migratory movements of seven Chestnut-collared Longspurs with light-level geolocators deployed in Canada. Individuals wintered up to 112-1,200km apart. All followed the Central Flyway, circumvented high-elevation terrain, and traveled east of the breeding location. Unlike most songbirds, the durations of spring and fall migrations were similar; on average 42 ± 7d and 41 ± 5d during fall and spring migrations, respectively, for an approximately 2,000km migration; this highlights the need to better understand habitat requirements during migration for grassland songbirds. Using geospatial habitat data, we assessed winter distribution overlap with four other endemic grassland songbirds; wintering range overlapped 63-99%. Future studies should use more precise devices (e.g., archival GPS units), programmed for data collection dates from this study, to identify specific migratory sites for better conserving this and associated grassland species.

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