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Discover the 10 most exciting projects of 2019!

Rapid assessment of bird diversity in the Panama Canal Watershed: effects of land uses

This research project will help to conserve the birds of the Panama Canal Watershed providing information on how bird diversity and abundance are related to land uses including revegetation treatments. But it will be carry out only thanks to your contribution.

Gregorio Magno Toral

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SUMMARY

The objective of my research project is to carry out a rapid assessment of the riparian avian community in the Panama Canal Watershed to explore how bird diversity and abundance are related to land uses including revegetation treatments. This research project fits into a broader study called the Agua Salud Project, which seeks to understand and quantify the diverse set of ecological, social, and economic services provided by tropical forests in the Panama Canal Watershed. The field site includes the Agua Salud Watershed and the headwaters of several adjacent rivers. One of the main objectives of the Agua Salud Project is to quantify the effect of different land uses on biodiversity values. However, there is a lack of information regarding bird species using riparian habitats. My research project seeks to fill this gap.

WHY?

The decline of forest bird populations with the increase of forest loss to agriculture and other human land uses in the American tropics has been documented by several long-term studies. However, different types of land uses hold profoundly different consequences for bird diversity.

Conservation requires effective monitoring of species distributions and abundances in order to assess the relative importance of different sites, the effectiveness of management activities and population trends. In this regard, rapid assessments can generate high quality data sets to inform conservation policy for understudied and relatively unknown tropical areas.

An enormous global research effort has focused on understanding the dynamics of riparian zones (i.e., the biotic communities living on the shores of streams, rivers and lakes). Riparian areas are among the most important biosphere’s ecological systems for maintaining the vitality of the landscape and its rivers. To reverse the effects of clearing of tropical rainforests, revegetation is advocated to assist in arresting declines in biodiversity; however there has been little research on the effects of revegetation on wildlife. Southern Central America provides an ideal opportunity for assessing drivers of change in local species richness, especially in lowland tropical forests in central Panama, near the Panama Canal.

HOW?

Bird surveys

In order to compare bird species richness and abundance in riparian habitats among the different land uses, we will sample birds using fixed-radius point counts (25 m radius) to record all visual signs of birds. The survey points will be located in the banks of the streams and/or rivers within each of the 14 transects that were already defined in a preliminary study carried out by the scientific staff of the Agua Salud Project.

Environmental variables

The composition of riparian wildlife communities is influenced by stream size and habitat characteristics associated with forest successional stage. Thus, to associate habitat features with bird counts, we will sample stream/river characteristics including vegetation.

Expected results

This research project will be, to the best of our knowledge, the first study reporting information about the effect of different land uses on avian diversity and abundance in the riparian habitats of the Panama Canal Watershed. This information will help to choose whether to focus conservation actions to protect the populations of this group of species. Furthermore, since the Agua Salud Project is a long-term project, the results obtained will be useful as a first reference to be compared to the results of future surveys in the area.

WHO AM I?

I completed my PhD at the Estación Biológica de Doñana (Seville, Spain), a centre belonging to the Consejo Superior de Investigaciones Científicas (CSIC), in 2011. During the period 2005-2011 I explored diverse aspects of the ecology of waterbirds and the role of agriculture in their conservation, studying how birds use rice fields nearby the National Park of Doñana. The results of these works have been published in several international scientific journals and they will help to choose the best management actions in the area. Now I would like to carry out a project so that my experience and knowledge on the ecology of waterbirds can help the conservation of the tropical species in such an important place for them: the Panama Canal Watershed.

Some of my publications:
Toral et al. 2012 Biological Conservation
Toral et al. 2011 Ibis
Toral & Figuerola 2010 Biodiversity and Conservation

At present I combine the publication of my works in international scientific journals with nature photography. You can see some of my images here.

OTHER RESEARCHERS INVOLVED

This project (you can find the full text in the project's blog), has been revised and will become true thanks to Dra. Sunshine A. Go Bael and Dr. Jefferson S. Hall, researchers at the Smithsonian Tropical Research Institute in Panama that have carried out previous work and are currently working in the study area. Their help and advice have been and will be crucial to carry out this project with guarantees of success.

WHEN? The project will be carry out this summer, during the months of July and August of 2012.

WHAT IS THE MONEY FOR? The money raised will serve to pay the project expenses including airfares, accomodation, food and transportation in Panama and also the production of the rewards.

WANT TO KNOW MORE? you have the full text of the scientific project in the project's blog.

FAQ

There are none published yet.

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#01 / Información detallada del proyecto

Rapid assessment of bird diversity and abundance in riparian habitats in the Panama Canal Watershed: effects of land uses

Proyecto escrito por el Dr. Gregorio Magno Toral y revisado por la Dra. Sunshine A. Van Bael.

Abstract

The decline of forest bird populations with the increase of forest loss to agriculture and other human land uses in the American tropics has been documented by several long-term studies. However, different types of land uses hold profoundly different consequences for bird diversity.

Effective monitoring of species distributions and abundances is necessary in order to assess the relative importance of different sites, the effectiveness of management activities and population trends. In this regard, rapid assessments can generate high quality data sets to inform conservation policy for understudied and relatively unknown tropical areas.

The objective of my research project is to carry out a rapid assessment of the riparian avian community in the Panama Canal Watershed to explore how bird diversity and abundance are related to land uses including revegetation treatments. This research project fits into a broader study called the Agua Salud Project, which seeks to understand and quantify the diverse set of ecological, social, and economic services provided by tropical forests in the Panama Canal Watershed. The field site includes the Agua Salud Watershed and the headwaters of several adjacent rivers. One of the main objectives of the Agua Salud Project is to quantify the effect of different land uses on biodiversity values. However, there is a lack of information regarding bird species using riparian habitats. My research project seeks to fill this gap.

Research proposal

Introduction

Conservation requires effective monitoring of species distributions and abundances in order to assess the relative importance of different sites, the effectiveness of management activities and population trends (Mace and Baillie 2007; Marsh and Trenham 2008). In this regard, rapid assessments can generate high quality data sets to inform conservation policy for understudied and relatively unknown tropical areas (O'Dea et al. 2004).

An enormous global research effort has focused on understanding the dynamics of riparian zones (i.e., the biotic communities living on the shores of streams, rivers and lakes) (Naiman et al. 2000). Riparian areas are among the most important biosphere’s ecological systems for maintaining the vitality of the landscape and its rivers (Naiman and Décamps 1997). The decline of forest bird populations with the increase of forest loss to agriculture in the American tropics has been documented by several long-term studies (e.g. Sekercioglu et al. 2002; Sigel et al. 2006). However, different types of land uses hold profoundly different consequences for bird diversity (Van Bael et al. 2007). To reverse the effects of clearing of tropical rainforests, revegetation is advocated to assist in arresting declines in biodiversity (e.g. Goosem and Tucker 1995; Bennett et al. 2000); however there has been little research on the effects of revegetation on wildlife (Tucker 2000; Munro et al. 2007, Freeman et al. 2009). Southern Central America provides an ideal opportunity for assessing drivers of change in local species richness (Condit et al. 2002), especially in lowland tropical forests in central Panama, near the Panama Canal (Rompre et al. 2007).

The objective of our research project is to carry out a rapid assessment of the riparian avian community in one area of the Panama Canal Watershed to explore how bird diversity and abundance in rivers/streams are related to land uses including revegetation treatments. This assessment will serve as a starting point, with the idea of seeking further funding to expand to other parts of the Panama Canal Watershed.

This research project fits into a broader study called the Agua Salud Project (http://www.ctfs.si.edu/aguasalud/), which is directed by Dr. Jefferson S. Hall and seeks to understand and quantify the diverse set of ecological, social, and economic services provided by tropical forests in the Panama Canal Watershed. The field site includes the Agua Salud Watershed and the headwaters of several adjacent rivers. The region encompasses both protected mature forests and a wide variety of land uses including pasture, invasive grass (Saccharum spontaneum – canal grass) and three revegetation treatments following pasture: native-species plantation, native second growth, teak plantation, and a native species plantation following S. spontaneum.

One of the main objectives of the Agua Salud Project is to quantify the effect of different land uses on biodiversity values. Dr. Van Bael’s research team has already carried out bird surveys in the area focused on terrestrial habitats. However, there is a lack of information regarding bird species using riparian habitats. My research project seeks to fill this gap comparing bird diversity and abundance in the rivers/streams in Soberania National Park (natural habitat) versus Agua Salud Project sites.

Methodology

Bird surveys

In order to compare bird species richness and abundance in riparian habitats among the different land uses, we will sample birds using fixed-radius point counts (25 m radius) to record all visual signs of birds. The survey points will be located in the banks of the streams and/or rivers within each of the 14 transects that were already defined in a preliminary study carried out by the scientific staff of the Agua Salud Project. Hydrologists currently working in the Agua Salud Project will give advice on the appropriate locations of the survey points to make then comparable among different habitats. Within transects, survey points will be separated by at least 100 m to minimize the risk of counting the same individual twice. Ten minutes will be spent at each point, allowing for the identification of all birds present while minimizing the likelihood of double-counting individuals arriving or moving during the survey period (O'Dea et al. 2004).

There are two transects each in these habitats:

1) Old forest (Soberania National Park)

2) Secondary regenerating forest

3) Cattle Pasture

4) Invasive Canal Grass area

5) Live fences around Cattle Pastures (no riparian habitat here)

6) Native tree species reforestation plantations

7) Exotic tree species (teak) plantations

We will also use the MacKinnon lists (ML) technique (MacKinnon & Phillips, 1993) since it was originally developed for rapid assessment of avian species richness in tropical environments (Bibby et al. 2000; MacKinnon and Phillips, 1993). Authors have recommended the adoption of this straightforward technique for examining the impacts of habitat modification and habitat disturbance on bird communities in the tropics (Fjeldsa, 1999; Trainor, 2002). The ML samples are suggested to be independent of the amount of time needed to collect them, the spatial extent over which they are collected and observer experience of the focal avifauna (MacLeod et al. 2011). The ML method consists of listing all individuals encountered in chronological order of detection. This master list is then broken down into lists or samples of 10 species. Each list thus provides a sample of the species community at the study site. The ML method can then be used to derive abundance indices of individual species by calculating the proportion of samples in which each species occurs (Bibby et al. 2000; MacKinnon and Phillips 1993).

Using the Mackinnon list method in conjunction with point counts has been recommended, as this may provide robust rapid-survey data, including both an accurate assessment of species richness as well as compositional and relative abundance data that can be directly related to environmental variables (O'Dea et al. 2004).

Bird species recorded in the point counts will be also recorded in MacKinnon lists to ensure maximum sampling using the MacKinnon list methodology (O'Dea et al. 2004). As suggested by Herzog et al. (2002), birds encountered during, between, and after point counts will be recorded in MacKinnon lists, since these additional data can be used to ensure a more accurate assessment of the magnitude of species richness in an area. Descriptions will be taken of any bird not immediately identified but that was seen sufficiently well for identification. These individuals will be subsequently identified using standard reference works (MacLeod et al. 2011).

Environmental variables

The composition of riparian wildlife communities is influenced by stream size and habitat characteristics associated with forest successional stage (Naiman et al. 2000). Thus, to associate habitat features with bird counts, we will sample stream/river characteristics including vegetation. We will measure the width and depth of the stream/river. We will sample vegetation using slightly modified methods of James and Shugart (1970). We will collect data on the vegetation characteristics within the 25 m radius circle at each census point. We will estimate canopy cover and structure at 5 subpoints within the circle; the center and at approximately 12 m N, S, E and W of the center subpoint. To estimate canopy cover we will take readings with a hand-held concave densiometer at each of the 5 subpoints. To estimate canopy structure (depth), at each of the 5 subpoints we will record the height of the lowest and highest canopy vegetation immediately above the subpoint. The difference in the highest and lowest vegetation heights will be used to estimate canopy depth at the 5 subpoints within each circle (Van Bael et al. 2007)

Statistical analyses

Simple species accumulation curves will be generated and compared for data collected using survey points and ML for each habitat. A plateau in the species accumulation is defined here as the point where the rate of species accumulation over a 10-sample interval falls below 0.10 (O’Dea et al. 2004). According to Herzog et al. (2002) the Chao 2 (Chao, 1987) species richness estimator will also be calculated for these data:

SChao = Sobs + F21/ 2F2

where Sobs is the number of species observed, F 1 is the number of species with exactly one individual and F 2 is the number of species with exactly two individuals. Curves generated indicate whether sufficient sampling effort has been undertaken to capture the total species richness of the habitat in question. They also indicate whether differences exist in the expected total species richness of these habitats.

We will use multiple regression models (general linear models) to determine whether bird diversity was related to vegetation variables.

Expected results

This research project will be, to the best of our knowledge, the first study reporting information about the effect of different land uses on avian diversity and abundance in the riparian habitats of the Panama Canal Watershed. This information will help to choose whether to focus conservation actions to protect the populations of this group of species. Furthermore, since the Agua Salud Project is a long-term project, the results obtained will be useful as a first reference to be compared to the results of future surveys in the area.

References

Bennett, A., Kimber, S., and Ryan, P. 2000. Revegetation and Wildlife. A Guide to Enhancing Revegetated Habitats for Wildlife Conservation in Rural Environments. Bushcare National Research and Development Program Research Report 2/00. (Environment Australia: Canberra.)

Bibby, C., Burgess, N., Hill, D., Mustoe, S., 2000. Bird Census Techniques. Academic Press, London.

Chao, A. 1987. Estimating the population size for capturerecapture data with unequal catchability. Biometrics, 43, 783– 791.

Chazdon, R.L., Colwell, R.K., Denslow, J.S. & Guariguata, M.R. 1998. Statistical methods for estimating species richness of woody regeneration in primary and secondary rain forests of NE Costa Rica. In: Forest Biodiversity Research, Monitoring and Modelling: Conceptual Background and Old World Case Studies (eds F. Dallmeier and J.A. Comiskey), pp. 285–309. Parthenon Publishing, Paris.

Colwell, R.K. & Coddington, J.A. 1994. Estimating terrestrial biodiversity through extrapolation. Philosophical Transactions of the Royal Society of London B, 345, 101–118.

Condit, R., Pitman, N., Leigh, E.G., Jr, Chave, J., Terborgh, J., Foster, R.B., Nun˜ez, V.P., Aguilar, S., Valencia, R., Villa, G., Muller-Landau, H.C., Losos, E. & Hubbell, S.P. (2002) Beta-diversity in tropical forest trees. Science, 295, 666–669.

Fjeldsa, J. 1999. The impact of human forest disturbance on the endemic avifauna of the Udzungwa Mountains, Tanzania. Bird Conservation International, 9, 47–62.

Freeman, A. N. D., A. Freeman and S. Burchill. 2009. Bird use of revegetated sites along a creek connecting rainforest remnants. Emu 109(4): 331-338.

Goosem, S., and N. I. J. Tucker. 1995. Repairing the rainforest: theory and practice of rainforest re-establishment in North Queensland’s Wet Tropics. Wet Tropics Management Authority, Cairns, Australia.

Herzog, S. K., M. Kessler and T. M. Cahill.2002. Estimating species richness of tropical bird communities from rapid assessment data. The Auk 119(3): 749 - 769.

James FC, Shugart HH. 1970. A quantitative method of habitat description. Audubon Field Notes 24:727–736.

Mace, G.M., Baillie, J.E.M. 2007. The 2010 biodiversity indicators: challenges for science and policy. Conservation Biology 21, 1406–1413.

MacKinnon, J., Phillips, K. 1993. A Field Guide to the Birds of Borneo, Sumatra, Java and Bali, the Greater Sunda Islands. Oxford University Press, Oxford.

MacLeod, R., S. K. Herzog, A. Maccormick, S. R. Ewing, R. Bryce and K. L. Evans. 2011. Rapid monitoring of species abundance for biodiversity conservation: Consistency and reliability of the MacKinnon lists technique. Biological Conservation 144(5): 1374-1381.

Marsh, D.M., Trenham, P.C. 2008. Current trends in plant and animal population monitoring. Conservation Biology 22, 647–655.

Munro, N. T., Lindenmayer, D. B., and Fischer, J. 2007. Faunal response to revegetation in agricultural areas of Australia: a review. Ecological Management & Restoration 8, 199–207. doi: 10.1111/j.1442-8903. 2007.00368.x

Naiman, R. J., R. E. Bilby and P. A. Bisson. 2000. Riparian Ecology and Management in the Pacific Coastal Rain Forest. Bioscience 50(11): 996-1011.

Naiman, R.J., Décamps, H. 1997. The ecology of interfaces—riparian zones.Annual Review of Ecology and Systematics 28: 621–658.

O'Dea, N., J. E. M. Watson and R. J. Whittaker. 2004. Rapid assessment in conservation research: a critique of avifaunal assessment techniques illustrated by Ecuadorian and Madagascan case study data. Diversity and Distributions 10(1): 55-63.

Rompre, G., W. D. Robinson, A. Desrochers and G. Angehr. 2007. Environmental correlates of avian diversity in lowland Panama rain forests. Journal of Biogeography 34(5): 802-815.

Sekercioglu CH, Ehrlich PR, Daily GC, Aygen D, Goehring D, Sandi RF. 2002. Disappearance of insectivorous birds from tropical forest fragments. Proc Natl Acad Sci USA 99:263–267

Sigel BJ, Sherry TW, Young BE. 2006. Avian community response to lowland tropical rainforest isolation: 40 Years of change at La Selva Biological Station, Costa Rica. Conserv Biol 20:111–121

Trainor, C.R. 2002. Status and habitat associations of birds on Lembata Island, Wallacea, Indonesia, with reference to a simple technique for avifaunal survey on small islands. Bird Conservation International, 12, 365–381.

Tucker, N. I. J. 2000. Linkage restoration: interpreting fragmentation theory for the design of a rainforest linkage in the humid Wet Tropics of north-eastern Queensland. Ecological Management & Restoration 1, 35–41. doi: 10.1046/j.1442-8903.2000.00006.x

Van Bael, S. A., P. Bichier, I. Ochoa and R. Greenberg. 2007. Bird diversity in cacao farms and forest fragments of western Panama. Biodiversity and Conservation 16(8): 2245-2256.

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#10 / Entrevista en el Diario de Sevilla y nueva ubicación de la exposición de fotografías

Hola a tod@s!

Mientras meto vuestras fotografías de recompensa en sobres y hago la maleta para mi siguiente proyecto de investigación en la Pampa Argentina os cuento algunas buenas noticias sobre el proyecto que habeis apadrinado:

Entrevista en el Diario de Sevilla

Entrevista en el Blog Sentido-común

Nueva ubicación de la exposición-venta de fotografías del proyecto ('Luces de Panamá'). Desde hoy y hasta mediados de enero de 2013 podeis verla en Foto Supra (C/ Asunción, 39 en Los Remedios). Horario de Atención al Público

Lunes a viernes de 10 a 14 y de 17 a 21. Sábados de 10 a 14.

Abrazos, mecenas!

Seguiremos en contacto!

Grego.

#09 / Exposición de Fotografías 'Luces de Panamá'

Hola querid@os mecenas!

me alegra poder invitaros a la exposición de fotografías que he organizado con las mejores imágenes del proyecto del que formais parte. La exposición lleva por título 'Luces de Panamá' y se inaugurará mañana Jueves 11 a las 20h en el Restaurante Forties (c/ Canalejas 2, Sevilla). La exposición permanecerá allí hasta el 30 de Octubre.

Me alegrará mucho veros por allí.

En breve comenzaré con el envío de vuestras fotografías de recompensa, ya las tengo impresas. Y poco a poco os iré enviando el resto de vuestros regalos según corresponda.

Abrazos,

Grego.

Cartel
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#08 / Selección de Fotografías

¡Hola a tod@s!

He estado trabajando con las fotografías que tomé en Panamá, ya de vuelta en Sevilla, y me alegra poder informaros de que ya tengo lista la selección de imágenes entre las que podeis elegir la/s que más os gusten para vuestra recompensa como mecenas de este proyecto. Espero que os gusten. Podeis verlas aquí.

He seleccionado 26 fotografías, incluyendo algunas en blanco y negro como la vista de Panamá City que teneis más abajo. Las fotografías realizadas durante el proyecto en Panamá serían de la número 32 a la 57, que están incluídas en el Álbum Panamá, pero también podeis elegir otras fotografías del resto de mi galería en Flickr. Cuando hayais elegido vuestra/s fotos, enviadme un email con los números de las mismas a grego@ebd.csic.es. Por supuesto si quereis comentarme algo estaré como siempre encantado de leeros.

Os mantendré informad@s.

¡Muchas gracias!

Abrazos,

Grego.

1
1

#07 / Más Panamá...

¡Hola a tod@s!

Muchas gracias por vuestros comentarios en el blog, me alegra muchísimo leeros y este 'feedback' es una novedad muy agradable a la que no estamos acostumbrados los científicos.

Ayer realicé el último de los censos, en el área de Agua Salud, después de pasar casi 2 semanas censando arroyos en la selva del Parque Nacional Soberania y luego ocuparme de muestrear los arroyos situados cerca del bosque, para lo cual he tenido la oportunidad de visitar el pequeño campamento de Rosendo, un panameño de 69 años que trabaja para el Instituto Smithsonian guiando a científicos en sus visitas de trabajo de campo. Ha sido genial compartir las vivencias de este hombre, que lleva 3 años viviendo sólo en una cabaña sin paredes ni electricidad ni agua corriente. Mi cama era en realidad una hamaca que me proporcionó… read more

#06 / Noticias desde Panamá

Hola a tod@s,

siento haber tardado mucho más de lo que esperaba en poder mandaros noticias sobre cómo va el proyecto que habeis apadrinado, pero por fín tengo el material y el tiempo necesario para contaros los primeros detalles sobre el estudio que habeis hecho posible.

En primero lugar quiero mostraros las primeras fotografías de la fauna de Panamá que con ilusión voy obteniendo para vosotr@s. En breve las iré colgando en mi Flickr para que podais elegir las que quereis como recompensa por vuestra aportación al proyecto.

Rufus-tailed Hummingbird. Una de las muchas especies de colibríes, todas espectaculares, que pueden observarse en Panamá.

Casa
Casa

Slaty-tailed Trogon. Esta especie se deja observar a corta distancia, pero...¿quién observa a quién?.

Casa
Casa

Forest Toad Un pequeño sapo muy abundante en los arroyos en la época lluviosa.

Casa
Casa

Una de las muchísimas especies de mariposas presentes en Panamá. La tendreis a color también.

Casa
Casa

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#05 / Empresas Colaboradoras del proyecto

Hola,

a 4 días del final del periodo de recaudación y faltando sólo 120 euros para alcanzar el objetivo de financiación (!!) quería contaros que en estos últimos días se han unido 2 colaboradores al proyecto de Panamá.

Daan
Daan

Se trata de un lado de Daan, una compañía con sede y tienda en Tomares (Calle Clara de Campoamor, 113), especializada en deportes de aventura y acción en la naturaleza, que colabora con asiduidad con el personal del CSIC. En la tienda encontrareis a Joaquín, cuyo asesoramiento en la compra del material técnico ha sido de gran utilidad, y que ha hecho un valioso esfuerzo por apoyar este proyecto, que le he presentado con muy poco tiempo antes de partir a Panamá, ofreciéndome el material a precio de coste. ¡Muchas gracias!

Por otro lado ha apoyado este proyecto mi laboratorio de fotografía de confianza, con el que llevo procesando mis fotos desde hace años: Foto Supra Asunciónread more

#04 / El proyecto se va convirtiendo en realidad

Hola a tod@s!

Hoy tengo una gran noticia...

Gracias a vosotros se han recaudado ya 1450 euros de los 1900 necesarios. Así que me tocaba dar el gran paso... ¡he comprado el vuelo a Panamá! así que ya podeis ir viendo vuestras recompensas, y la evolución del proyecto como algo real. El vuelo ha costado 1266 euros, no he podido encontrar nada más barato, pero contaba con ello. Gracias a la ayuda de la Dra. Sunshine A. Van Bael, que ha conseguido disminuir el presupuesto final necesario, podré llevar a cabo el proyecto con los 1900 euros que se recauden al final, ¡quedan sólo 12 días de recaudación!

Aún me cuesta creerlo, me cuesta sentir que de verdad se va a convertir en una realidad. Pero así es, y voy a compartir con vosotr@s esta experiencia que ha sido tan enriquecedora desde el principio, así como el desarrollo y resultados de un proyecto de investigación que es también vuestro.

¡Mil gracias!

Abrazos,

Grego.

#03 / Paso del Ecuador...¡a toda vela!

Muchas gracias a todo@s por hacer posible que el paso por el ecuador del periodo de recaudación del proyecto haya sido todo un éxito con cerca del 70% recaudado. No puedo estar más contento.

Me siento arropado por vosotr@s, que habeis creído en el proyecto y por el resto de gente que lo está difundiendo en redes sociales y blogs. Además estoy escribiendo notas de prensa, espero poder informaros de alguna aparición en los medios de comunicación pronto.

Aquí podeis ver parte del área de estudio del proyecto.

Son imágenes del trabajo del equipo del proyecto de investigación Agua Salud, con el cual está directamente relacionado mi proyecto. Tengo además muy buenas noticias, ya que la Dra. Van Bael me ha comentado que van a facilitarme el material necesario para llevar a cabo el trabajo de campo (prismáticos, guía de aves, GPS y grabadora digital) y van a gestionar mi alojamiento, muy básico pero cerca de los puntos de muestreo, y el transporte en el área de estudioread more

#02 / Primeros 10 dias. ¡Esto marcha!

¡Muchas gracias por vuestras aportaciones! Lo primero que os quiero decir es que estoy entusiasmadísimo con la marcha del proyecto, que tiene ya posiblidades reales de salir adelante gracias a vosotr@s. ¡En los primeros 10 días ha recaudado mas del 25% de lo necesario, y aún quedan 29 días!

Muchas gracias también por darle difusión. Estos días estoy pendiente de la respuesta de varios periódicos, blogs y páginas webs que podrían darle aún más difusión.

Para animar aún más las aportaciones he decidido aumentar la recompensa obtenida con la aportación de 5 euros, que ahora incluye una fotografía impresa en tamaño 9x13 cm además de las que se envían por email (que también serán enviadas al resto de mecenas, claro).

Y también quería comentaros que haré todo lo posible por mateneros al tanto de la marcha del proyecto desde Panamá, ¡porque este proyecto es vuestro también!

Os mantendré informad@s de las novedades!

Abrazos!

Grego.

#01 / Información detallada del proyecto

Rapid assessment of bird diversity and abundance in riparian habitats in the Panama Canal Watershed: effects of land uses

Proyecto escrito por el Dr. Gregorio Magno Toral y revisado por la Dra. Sunshine A. Van Bael.

Abstract

The decline of forest bird populations with the increase of forest loss to agriculture and other human land uses in the American tropics has been documented by several long-term studies. However, different types of land uses hold profoundly different consequences for bird diversity.

Effective monitoring of species distributions and abundances is necessary in order to assess the relative importance of different sites, the effectiveness of management activities and population trends. In this regard, rapid assessments can generate high quality data sets to inform conservation policy for understudied and relatively unknown tropical areas.

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