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Platform data

Overview

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This dataset contains bird monitoring data from all core plots (natural and disturbed forest sites) from two different seasons(wet and dry season)at three different altitudes (1000, 2000, 3000 masl)over two years (2014 & 2015).

We monitored frugivore diversity and plant-frugivore interactions in a tropical montane forest in Southern Ecuador across an elevational (1000, 2000, 3000 masl) and human disturbance gradient over two years (2014 & 2015)

In the uploaded data you can find the richness and abundance of  frugivore birds and fruiting plants(involved in the interaction networks. They were recorded in a 30m x 100m transect inside the core plots.

For more information about the interaction network data contact Marta Quitián.

Nocturnal moths were sampled on 20 plots during three periods between 1999 and 2000 using light traps equipped with two backlight 15 W tubes operated between 18:30 and 21:30 local time (UTC-5:00). Catches were restricted to periods from three days after full moon until five days before full moon. Specimens were sorted to morphospecies within geometrid moths (Geometridae). Data from the PHD-thesis of Dr. Gunnar Brehm. For additional information on methods and sites see: Brehm, G. (2002): Diversity of geometrid moths in a montane rainforest in Ecuador. PHD-thesis. Available online at: http://opus.ub.uni-bayreuth.de/volltexte/2003/20/pdf/Dissertation_Gunnar_Brehm.pdf

Abundance of ant species were collected during the wet and the dry season 2014 on the core plots and intermediate elevation levels (1000, 1500, 2000, 2500, 3000) on disturbed and undisturbed forest plots.

Nocturnal moths were sampled on 20 plots during three periods between 1999 and 2000 using light traps equipped with two backlight 15 W tubes operated between 18:30 and 21:30 local time (UTC-5:00). Catches were restricted to periods from three days after full moon until five days before full moon. Specimens were sorted to morphospecies within arctiinae moths (Erebidae: Arctiinae). For further information and details on the sampling sites see: Süßenbach, D. (2003): Diversität von Nachtfaltergemeinschaften entlang eines Höhengradienten in Südecuador (Lepidoptera: Pyraloidea, Arctiidae). PHD-Thesis, available online at http://deposit.ddb.de/cgi-bin/dokserv?idn=967598044&dok_var=d1&dok_ext=pdf&filename=967598044.pdf

Ants data obtained by baiting with 6 used nutrients (water, salt solution, sugar solution, amino-acid solution, amino-acid-sugar solution, oil). Data were collected during the wet and the dry season 2014 on the coreplots and intermediate elevation levels (1000, 1500, 2000, 2500, 3000) on disturbed and undisturbed forest plots. The predation data were collected using an artificial caterpillar approach.

Nocturnal moths were sampled on 20 plots during three periods between 1999 and 2000 using light traps equipped with two backlight 15 W tubes operated between 18:30 and 21:30 local time (UTC-5:00). Catches were restricted to periods from three days after full moon until five days before full moon. Specimens were sorted to morphospecies within pyraloid moths (Pyraloidea). Data originates from PHD thesis of Dirk Süßenbach. He is the main author of the dataset. Süßenbach, D. (2003): Diversität von Nachtfaltergemeinschaften entlang eines Höhengradienten in Südecuador (Lepidoptera: Pyraloidea, Arctiidae). PHD-Thesis, available online at http://deposit.ddb.de/cgi-bin/dokserv?idn=967598044&dok_var=d1&dok_ext=pdf&filename=967598044.pdf

Bird species (elevational gradient: 1800-2530m) occurrence and abundance has been collected by a trained observer in 30 forest sites in the study area under favorable weather conditions at 6:00–10:00 and 16:00–18:00 (UTC ?5:00) between 2000 and 2002 (Paulsch and Müller-Hohenstein, 2008). Standardized point counts (30 min) were repeated 12 times per site and combined with mist-netting data to comprehensively assess the bird assemblages.

The abundance data has been used in project C2 for the purpose to model species alpha and beta diversity with permission of Detlev Paulsch.

Monitoring of woody species regeneration was done in 2003, 2005 and 2007 on 48 subplots of 116 m2 on pasture, fern, and shrub sites. 
Half of the subsamples were randomly selected and manually treated by cutting back all competing herbaceous species with a machete
every 4 months from 2003 to 2005. Competing species refers to dominant, exotic and aggressive species such as grasses (S.
sphacelata) in the Pasture site, and exotic fern (P. arachnoideum) in the Bracken and Shrub sites, woody native species were not removed.

Palomeque, X.; Günter, S.; Siddons, D.; Hildebrandt, P.; Stimm, B.; Aguirre, N.; Arias, R. & Weber, M. (2017): Natural or assisted succession as approach of forest recovery on abandoned lands with different land use history in the Andes of Southern Ecuador. New Forests 1(1), 1-10
DOI: http://dx.doi.org/10.1007/s11056-017-9590-8.