Dinámica de la fenología y visitantes florales de dos bromelias terrestres de un páramo de Colombia

Restrepo-Chica, Manuela; Bonilla-Gómez, María Argenis

doi:10.1016/j.rmb.2017.07.008

Cited by 9 publications

(9 citation statements)

References 35 publications

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“…Puya species have monocarpic arborescent rosettes with a terminal inflorescence (Varadarajan 1990, Jabaily and Sytsma 2013) that provide key nectar resources for many hummingbird species in the Andes (Hornung-Leoni et al. 2013, Restrepo-Chica and Bonilla-Gómez 2017). P. hamata has a tall inflorescence that can reach up to 4 m in height, and flowers that produce abundant nectar (Woods and Ramsay 2001).…”

Section: Discussionmentioning

confidence: 99%

Ecology and distribution of the “Critically Endangered” Blue-throated HillstarOreotrochilus cyanolaemus

Tinoco

Freile²,

Molina³

et al. 2023

Bird Conservation International

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Summary The Blue-throated Hillstar Oreotrochilus cyanolaemus is a recently described hummingbird endemic to the southern Andes of Ecuador. This “Critically Endangered” species faces multiple conservation problems; thus, acquiring basic ecological information is a key step for guiding sound and integral conservation actions. We performed a series of expeditions throughout the cordillera Chilla-Tioloma-Fierro Urco to gain new data about its ecology, abundance, breeding, and distribution. From November 2019 to March 2020, we surveyed a total of 161.6 km searching for O. cyanolaemus, and gathered data on encounter rates, microhabitats used, and flower resources used. From November 2020 to January 2021 we studied the breeding ecology of the species. Occurrence records of O. cyanolaemus were used to build a species distribution model, based on climatic variables and the normalised difference vegetation index (NDVI). We found that the species is relatively more abundant in the western and central portion of its distribution range. Males were found using more shrubby habitats than females, who used more open habitats. They visited flowers of 11 plant species, with Chuquiraga jussieui and Puya ssp. being the most frequently used flowers. Nests were found in caves and rocky walls, and only one out of three active nests was successful. The distribution model indicated that the species has a potential distribution range of 62.7 km2. This manuscript is the first comprehensive evaluation of the ecological requirements of the species, and the information provided has important potential for use as a conservation guide for the species and its habitats.

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Section: Discussionmentioning

confidence: 99%

Ecology and distribution of the “Critically Endangered” Blue-throated HillstarOreotrochilus cyanolaemus

Tinoco

Freile²,

Molina³

et al. 2023

Bird Conservation International

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“…2006, Ríos & Cascante‐Marín 2017, Ortega‐Álvarez et al . 2018); Andean and Brazilian shrublands (Rodrigues & Rodrigues 2014, Restrepo‐Chica & Bonilla‐Gómez 2017, Lenzi & Paggi 2020); semi‐arid forests in the Caatinga biome (e.g. Las‐Casas et al .…”

Section: Discussionmentioning

confidence: 99%

Neotropical bromeliads as food sources for birds: a systematic review and perspectives on the management of ecological interactions

Rocha

2022

Ibis

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The loss of interactions and ecosystem functions is a concerning by‐product of pervasive Anthropocene species decline and extinction. Ecological interactions between species sustain the provision of ecosystem processes, especially those mediated by trophic relationships such as pollination and predation. At the local habitat scale, the diversity of natural food sources may increase the diversity of interactions, thus enhancing the stability of local communities and ecosystem functioning. Here I discuss the importance of bromeliads as a potential provider of additional trophic interactions with birds, a key animal group in the Neotropics. Based on 88 studies published between 1965 and 2020 across the Neotropical region, I observed that bromeliads act as ‘wildlife restaurants’ by providing an additional food source throughout the year in almost all Neotropical ecosystems for at least 162 bird species (mostly hummingbirds). These plants (both epiphytic and terrestrial forms) can provide nectar, flowers, water for drinking, invertebrates, small vertebrates, seeds, and fruits, as well as nest materials and substrates. Given these trophic relationships between bromeliads and birds, actions to restore the richness and abundance of these plants in changed habitats would potentially enhance the local diversity of birds. I discuss and recommend the use of bromeliad transplantations as a relevant conservation tool for birds and some implications for the maintenance of species and interaction diversity in natural and agricultural habitats.

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“…Este comportamiento de floración segregada, probablemente ocurre para evitar la competencia, debido a que las especies comparten un mismo grupo de polinizadores y/o dispersores (Manrique et al, 2022;Poulin et al, 1999). Lo anterior, conlleva a que las plantas desarrollen estrategias evolutivas como la mínima superposición de sus fenofases, a fin de reducir al máximo la competencia interespecífica (Restrepo & Bonilla, 2017).…”

Section: Discussionunclassified

Feno-morfología de dos especies de páramo de Miconia (Melastomataceae): optimización de la floración y fructificación para mejorar la dispersión

et al. 2022

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Introducción: El Páramo es de los ecosistemas más afectados por actividades humanas, lo que aumenta la necesidad de estudios fenológicos como base para el manejo y la conservación. Objetivo: Describir la feno-morfología de Miconia ligustrina y Miconia elaeoides. Métodos: De septiembre 2019 a febrero 2020, y de abril 2021 hasta agosto del mismo año, se monitoreó la fenología de 12 individuos de cada especie. Adicionalmente, se vincularon datos fenológicos de ejemplares de herbario, para corroborar los resultados obtenidos. En los dos conjuntos de datos, se describió su distribución usando estadística circular, además, se obtuvieron registros de precipitación y temperatura del área. Adicionalmente, se describió la morfometría de cada especie. Resultados: El pico de floración de M. lingustrina es en abril, y la fructificación se concentra entre junio y julio; M. elaoides, florece de forma masiva en enero, con la máxima producción de frutos en mayo. Hubo correlación entre fenología y lluvias: la floración se da en época seca y la fructificación en la época lluviosa. Las especies difieren en morfología, pero, como en otras especies de Miconia, las flores y frutos son pequeños (aprox. 5 mm). Conclusión: La floración se presenta en la época seca y la fructificación en la época lluviosa, cuando las tasas de fotosíntesis son bajas y la frugivoría incrementa. Este patrón fenológico favorece la dispersión óptima de semillas.

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Dinámica de la fenología y visitantes florales de dos bromelias terrestres de un páramo de Colombia

Cited by 9 publications

References 35 publications

Ecology and distribution of the “Critically Endangered” Blue-throated HillstarOreotrochilus cyanolaemus

Ecology and distribution of the “Critically Endangered” Blue-throated HillstarOreotrochilus cyanolaemus

Neotropical bromeliads as food sources for birds: a systematic review and perspectives on the management of ecological interactions

Feno-morfología de dos especies de páramo de Miconia (Melastomataceae): optimización de la floración y fructificación para mejorar la dispersión

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