Author Archives: complicado79

Birds in space… (multidimensiaonal trait-space that is)

An animated rotation of a plot of cloud forest bird species in their multidimensional trait space, showing vectors of trait variables, and spiders linking groups defined from a separate clustering analysis. A small success in R yesterday, I finally managed … Continue reading

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Presentation: Land-use, Climate Change and Avian Ecosystem Services in the Montane Neotropics: Managing for Resilience.

A 3d plot generated in R, showing a simulated landscape, onto which I mapped the estimated functional richness of Villeger et al (2008), calculated for our community of Andean cloud forest birds. The second presentation I gave at ATBC in … Continue reading

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ATBC 2014 Trip 1: “Gondwanan relicts and upland bird endemics of the Australian Wet Tropics”

At the association for tropical biology and Conservation (ATBC) meeting held in Cairns this year I will have the pleasure of co-guiding with Dr. David Edwards from Sheffield University a conference field trip entitled: “Gondwanan relicts and upland bird endemics … Continue reading

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Null Models In Ecology: book download

Null models, love them or hate them, are a huge topic, but one nicely summarised by Gotelli and Graves.  They managed to do so in a way that I am finding accessible, and applicable to real-world analyses questions.  Happily, copyright … Continue reading

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Presentation: “Rapid Population Shifts in Australia’s Tropical Montane Avifauna: Monitoring Responses to Climate Change”.

Plot showing the observed up-slope shift and slight increase in population size of Grey-headed Robins, (Heteromyias albispecularis) based on 15  years of monitoring in the Australian Wet Tropics. At ATBC in Cairns this year I am lucky enough to have … Continue reading

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birding in Colombia, by the numbers…

90: The number of days spent in Colombia on this last trip. 162: The (estimated) number of lifers (new birds) seen by me on the trip. 290: The number of species I personally measured while collecting morphological data for the … Continue reading

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“Conexiones”

https://www.flickr.com/photos/complicando/sets/72157644055360763/ Its is a short drive from Cali over the misty peaks of Los Farallones, past El Dieceocho, to the pacific slope of Colombia’s Western Cordillera.  But in this  distance, many things change, both in terms of the visible environment, … Continue reading

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