Climate Change and Biodiversity in the Tropical Andes

Haller, Andreas

doi:10.1659/mrd.mm097

Cited by 22 publications

(21 citation statements)

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“…The collections assembled by the Olallas on the slopes of Volcán Sumaco a century ago helped to shape Chapman's (1926) understanding of elevational zonation and avian distributions (Kattan et al 2016). Today, the lower East Andean slopes are known to harbour some of the world's richest local bird communities, an avifauna also characterised by high irreplaceability owing to the uniqueness of its evolutionary history (Haffer 1990, Herzog & Kattan 2011. Whilst these patterns are still under investigation, few undisturbed forested transects remain available for conservation or study (Stotz 1998, Kattan et al 2016.…”

Section: Discussionmentioning

confidence: 99%

“…Endemism and biogeography.-Patterns of endemism are of interest to both conservationists and biogeographers and several general features of the San José de Sumaco assemblage are noteworthy in this respect. First, analyses of the distribution of restrictedrange species reveal a global concentration at the Andean / Amazonian interface (Orme et al 2005, Herzog & Kattan 2011, Fjeldså 2012, a pattern that invites explanation as the outcome of historical processes and identifies the region as a logical priority for conservation or a 'hotspot'.…”

Section: Red-crested Finch Coryphospingus Cucullatusmentioning

confidence: 99%

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2023

Bulletin of the British Ornithologists’ Club

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The meeting was recorded and a video of the event is available online at https://youtu.be/KU7MPekp41c and also via the Club website https:// boc-online.org.Dr Richard Sales, renowned for his wide-ranging research and publications on raptors, notably British falcons, and Steve Watson, who has been conducting a decades-long field study on the Peregrine Falcon Falco peregrinus in Gloucestershire, jointly presented a very well-illustrated talk entitled The Peregrine Falcon, based on their groundbreaking recent book of the same name. Richard's area of special research interest, namely the interaction between anatomy and behaviour underlying the Peregrine's flight characteristics and prey capture, synergistically complemented the broader focus by Steve on ecology and population characteristics, resulting in a particularly comprehensive overview. Broader discussion of the wide range and complex taxonomy (approaching 20 subspecies according to most authorities) of the species was not neglected, and the authors' detailed research included fascinating novel nuggets of information, including that the Peregrine's visual acuity is likely to be even greater than generally understood.The 1009th meeting of the Club was held in conjunction with the Linnean Society of London at Burlington House, Piccadilly, London W1J 0BF, on Monday 6 November 2023 when Dr Will Smith spoke on Rock Doves and the process of 'extinction by hybridisation'. A detailed account of this meeting will be included in the March 2024 issue of the Bulletin.

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Section: Discussionmentioning

confidence: 99%

Section: Red-crested Finch Coryphospingus Cucullatusmentioning

confidence: 99%

Full Issue

2023

Bulletin of the British Ornithologists’ Club

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“…Although concerns about climate change often focus on its effects at high latitudes, tropical ecosystems are also under serious threat (Báez et al ., 2016; Herzog et al ., 2011; Vuille et al ., 2008). Changes in climate and precipitation patterns, changes in the frequency and intensity of flooding and droughts, the impact of rising sea levels on low‐lying coastal areas, and the effects of rising temperatures on high‐elevation Andean ecosystems are major concerns for freshwater fishes (Kaufman, 2019).…”

Section: The Factors Causing the Decline Of Ecuador's Freshwater Fishesmentioning

confidence: 99%

Conservation threats and future prospects for the freshwater fishes of Ecuador: A hotspot of Neotropical fish diversity

Aguirre

Alvarez‐Mieles

Anaguano‐Yancha³

et al. 2021

Journal of Fish Biology

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Freshwater fish communities in Ecuador exhibit some of the highest levels of diversity and endemism in the Neotropics. Unfortunately, aquatic ecosystems in the country are under serious threat and conditions are deteriorating. In 2018–19, the government of Ecuador sponsored a series of workshops to examine the conservation status of Ecuador's freshwater fishes. Concerns were identified for 35 species, most of which are native to the Amazon region, and overfishing of Amazonian pimelodid catfishes emerged as a major issue. However, much of the information needed to make decisions across fish groups and regions was not available, hindering the process and highlighting the need for a review of the conservation threats to Ecuador's freshwater fishes. Here, we review how the physical alteration of rivers, deforestation, wetland and floodplain degradation, agricultural and urban water pollution, mining, oil extraction, dams, overfishing, introduced species and climate change are affecting freshwater fishes in Ecuador. Although many of these factors affect fishes throughout the Neotropics, the lack of data on Ecuadorian fish communities is staggering and highlights the urgent need for more research. We also make recommendations, including the need for proper enforcement of existing environmental laws, restoration of degraded aquatic ecosystems, establishment of a national monitoring system for freshwater ecosystems, investment in research to fill gaps in knowledge, and encouragement of public engagement in citizen science and conservation efforts. Freshwater fishes are an important component of the cultural and biological legacy of the Ecuadorian people. Conserving them for future generations is critical.

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“…Climate change has serious consequences for various natural and human systems, such as biodiversity, agriculture, and glaciers. The tropical Andes is one of the regions most susceptible to the effects of climate change, with water availability and food security of Andean countries being at risk (Bradley et al 2006;Herzog et al 2011;Tejedor-Garavito et al 2015;Lozano-Povis et al 2021). Thus, various global initiatives, such as The Bonn Challenge and The United Nation's Decade on Ecosystem Restoration, have considered reforestation and ecosystem restoration as strategies to mitigate the effects of climate change (IUCN 2017;Di Sacco et al 2021;FAO 2021).…”

Section: Introductionmentioning

confidence: 99%

Performance and physiological quality of Escallonia resinosa seeds: prospects for their use in reforestation and restoration

Huayta‐Hinojosa

LOZANO

Guerra

et al. 2022

Restoration Ecology

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In the Andes, many native forest species are not used in reforestation or restoration programs mainly due to a lack of information about their propagation. In this study, we evaluated the performance of the seeds of Escallonia resinosa by analyzing fruit and seed productivity and characteristics, seed physiological quality, and the germination rate of seeds collected at different stages of fruit physiological maturity, using tetrazolium and standard germination tests. Our results show an estimated production (mean AE SD) of 34,252.5 AE 25,900 fruits per tree and 26.5 AE 20 million seeds per tree. Seed length was 1.0 AE 0.13 mm and seed weight was 12.4 AE 1 μg. We recognized two different morphological types of seeds: Type I seeds (lacking testa) were unviable, whereas all Type II seeds (with testa) germinated. Seed viability and germination rates were 10.5 and 48.6%, respectively; therefore, the viability test underestimated the actual germination rate. Morphological or microsite variables of the parent tree did not influence seed viability or germination. Germination rates were highest (41.8 AE 2.5%) for the seeds of fruits harvested at the initial maturity stage (green fruits). Our results show that E. resinosa is a species with potential for reforestation and restoration projects in the Andes: it has high seed production and good germination performance, and seeds can be harvested from fruits collected at different stages of physiological maturity.

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Climate Change and Biodiversity in the Tropical Andes

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 22 publications

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Conservation threats and future prospects for the freshwater fishes of Ecuador: A hotspot of Neotropical fish diversity

Performance and physiological quality of Escallonia resinosa seeds: prospects for their use in reforestation and restoration

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