Showing posts with label Brazil. Show all posts
Showing posts with label Brazil. Show all posts

May 19, 2011

Workshop on Plot Taxonomic Comparison in Manaus, Brazil

by Tania Brenes
 
On April 10, 2011, the CTFS Neotropical Program organized the first Workshop on Taxonomic Comparison Among Amazonian CTFS Plots, hosted in Manaus, Brazil. This workshop had the participation of botanists and ecologists from three CTFS plots in the Amazon: the Amacayacu plot in Colombia, the Manaus plot in Brazil, and the Yasuni plot in Ecuador. In the workshop, botanists worked with interns and students on the problem of standardizing a methodology and a philosophy of taxonomic delimitation in these hyper-diverse plots. This work will serve as the basis for a developing collaborative research project on taxonomy between the three scientific groups. 

Workshop participants in the top photo from left to right (institution): Alvaro Perez (4), Juan Sebastian Barreto (5), Alberto Vicentini (1), Ana Carla Gómez (1), Ana Segalin (1), Rolando Pérez (2), Alexandre de Oliviera (3), Dairon Cárdenas (5), Carla Lang (1), Jose Luis Camargo (1), Marcel Caritá (3), Tania Brenes (2), Juliana Vendrami (3), Adriane Pantoja (1). 

Institutions: (1) PDBFF, Instituto Nacional de Pesquisas Amazonicas; (2) STRI; (3) Universidad de São Paulo; (4) Pontificia Universidad Católica del Ecuador; (5) Instituto de Investigaciones Amazónicas Sinchi.

Botanists discuss complex plant specimens in the field (left) and at the comparative collection at the BDFFP (right).

January 28, 2011

Plot Census Finished in the Atlantic Coastal Forest of Brazil

A new CTFS-SIGEO plot located in high conservation value forest in Ilha do Cardoso State Conservation Park, in the Atlantic Coastal Forests of São Paulo State, southeastern Brazil, has now been finished. Located on a pristine island, this 10.48 ha plot was established in 2004 as part of a four-plot network funded by the State of São Paulo Research Foundation. The plot is in coastal ‘restinga’ forest, a form of coastal heath forest, which is particularly rich in endemic species.

 
Before 2006, only trees larger than 5 cm DBH had been censused. In 2009, Dr. Alexandre Oliveira from the University of São Paulo conducted a recensus to incorporate trees down to 1 cm. Now, two years and almost 50,000 trees later, the data are entered in the CTFS-SIGEO database, and researchers have started analyses. Ilha do Cardoso Plot researchers welcome collaborative work using the plot. Please contact Dr. Oliveira for further information or see: http://ecologia.ib.usp.br/labtrop/doku.php?id=labtrop:labtrop:eng

November 27, 2009

Ilha do Cardoso 10-ha plot established in Brazil

Text contributed by Julia Stuart and Alberto Vicentini

Under the guidance of Alexandre de Oliveira, students from the Universidade de São Paulo (USP) and technicians from Cananéia, Brazil, recently completed the first CTFS census of the 10-ha Ilha do Cardoso plot in Brazil. The plot was originally established in 2000/2004-05, with a DBH minimum of 4.78 cm, as one of four 10-ha plots in the project Parcelas Permanente São Paulo (PPSP, BIOTA-FAPESP) to study the Atlantic, restinga, semideciduous, and cerradão forest types that occur in São Paulo State.



In 2008, Ilha do Cardoso joined the CTFS network with the inauguration of a census to include all trees ≥ 1 cm. The census catalogued four new species (Rubiaceae) not enumerated in 2000/2004-05, bringing the plot total to 106 species and approximately 40,000 trees.

The plot is located in restinga forest in Ilha do Cardoso State Park on the extreme south coast of São Paulo State near the city of Cananéia. The mountainous island is approximately 22,500 ha and was made a state park in 1962. Despite nutrient-poor and water-stressed sandy soils, the forest shows high diversity. At 22°S latitude, Ilha do Cardoso is the southernmost plot in the CTFS network.

Funding from the HSBC Climate Partnership supported the census, and many research projects at Ilha do Cardoso are being coordinated by the Laboratório de Ecologia de Florestas Tropicais at USP.