Genetic diversity of reintroduced tree populations of Casearia sylvestris in Atlantic forest restoration sites

Author(s):Show less -

Bohrer Monteiro Siqueira, Marcos Vinicius ^[1] ; Bajay, Miklos Maximiliano ^[2] ; Grando, Carolina ^[3] ; de Campos, Jaqueline Bueno ^[4] ; Marim Toledo, Jayca Amate ^[4] ; Domingues, Giovana Tomazela ^[5] ; Macrini, Camila ^[6] ; Tambarussi, Evandro Vagner ^[7] ; Santin Brancalion, Pedro Henrique ^[8] ; Rodrigues, Ricardo Ribeiro ^[9] ; Pinheiro, Jose Baldin ^[4] ; Zucchi, Maria Imaculada ^[6]

Affiliation

^[1] Univ Estadual Minas Gerais, Ave Prof Mario Palmerio 1001, BR-38200000 Frutal, MG - Brazil

^[2] Univ Estado Santa Catarina, Ctr Educ Super Regiao Sul, Rua Cel Fernandes Martins 270, BR-88790000 Laguna, SC - Brazil

^[3] Univ Estadual Campinas, Dept Genet, Av Candido Rondon 400, BR-13083875 Campinas, SP - Brazil

^[4] Univ Sao Paulo, Dept Genet, Av Padua Dias 11, BR-13418900 Piracicaba, SP - Brazil

^[5] Univ Fed Sao Carlos UFSCar, Rod Joao Leme dos Santos, Km 110, BR-18052780 Sorocaba, SP - Brazil

^[6] Agencia Paulista Tecnol Agronegocios APTA, Rodovia SP127, Km 30, BR-13400970 Piracicaba, SP - Brazil

^[7] Univ Estadual Centro Oeste, Dept Engn Florestal, Rua Prof Maria Roza Zanon de Almeida Engenheiro, BR-84505677 Irati, PR - Brazil

^[8] Univ Sao Paulo, Dept Ciencias Florestais, Av Padua Dias 11, BR-13418900 Piracicaba, SP - Brazil

^[9] Univ Sao Paulo, Dept Ciencias Biol, Av Padua Dias 11, BR-13418900 Piracicaba, SP - Brazil

• Document type: Journal article
• Source: FOREST ECOLOGY AND MANAGEMENT; v. 502, DEC 15 2021.
• Web of Science Citations: 0

Abstract

The restoration projects in the Brazilian Atlantic Forest have shown more concern about genetic variability in floristic diversity in the last years. To create effective conservation policies, we need extensive knowledge on structures and patterns of genetic variation between natural populations and within them. We characterized the genetic population of Casearia sylvestris Swartz in an area under forest restoration processes (Iracemapolis, Sao Paulo) established between 1988 and 1990, and compared it to a natural remnant of semi-deciduous seasonal forest (Caetetus, Sao Paulo). The distance between locations is similar to 210 km. One hundred twenty-eight adult plants were collected, 64 individuals in the native forest remnant and 64 in the restored fragment. The genetic data were generated by the screening of six AFLP primers combinations with a total of 296 loci for each population. The forest restoration site presented overall higher levels of genetic diversity compared to the natural remnant area. The most likely number of genetic clusters found was three (K = 3). The genetic variation was higher within populations, either in the natural or restored site, than between populations. Farther, 25 candidate outlier loci were selected and separated into two groups giving support to future research with species adaptation in these different environments. Our results show that evaluation of restored tree populations of C. sylvestris is crucial to monitoring long-term restoration programs and understand if they persist over time. We hope that our results aim at species management and the establishment of others restoration projects. (AU)

• FAPESP's process: 11/06756-4 - Diversity and genetic structure of Casearia sylvestris by populational genomic analysis
• Grantee: Marcos Vinícius Bohrer Monteiro Siqueira
• Support Opportunities: Scholarships in Brazil - Post-Doctoral