Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil

Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil

Abstract The Seasonally Dry Tropical Forests and Woodlands biome (SDTFW) has its largest nucleus in the Caatinga domain. We characterized the flora and physiognomy of the vegetation in the Pedra da Andorinha Wildlife Refuge (RPA), in Ceará, Brazil. Plant collections were made between March/2015 and May/2021, applying usual botanical methods. All material was deposited in HUVA herbarium. The phytosociological studies covered five 50 m x 50 m plots established (1.25 ha) in which all individuals with diameters at soil level ³ 3 cm were inventoried. We identified 266 vascular plants species distributed among 185 genera and 67 families, including one fern (Marsilea deflexa - Marsileaceae). Fabaceae had the greatest species richness (38 spp.), while Ipomoea was the richest genus (9 spp.). 43.6% of all plant species were herbaceous, with a predominance of therophytes (57.5% of all herbaceous plants). The phytosociological study sampled 1,988 individuals distributed among 24 species of 13 families. The species with the greatest important value were Cordia oncocalyx (Boraginaceae) and Croton blanchetianus (Euphorbiaceae). We classify the local physiognomy as typical caatinga sensu stricto vegetation and rocky vegetation on inselbergs and outcrops. We highlight the richness of herbaceous plants in the local community, which surpass the richness of the woody component.

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Main Authors: Souza,Elnatan Bezerra de, Nepomuceno,Francisco Álvaro Almeida, Santos,Francisco Diego Sousa, Araújo,Francisco Fernandes de, Nepomuceno,Izaíra Vasconcelos, Paula,Alexandre Souza de, Amorim,Vivian Oliveira, Branco,Mário Sérgio Duarte, Rabelo,Samuel Trajano, Pinto,David Mendes Macelli, Nascimento,João Batista Silva do, Moro,Marcelo Freire
Format: Digital revista
Language:English
Published: Instituto de Pesquisas Jardim Botânico do Rio de Janeiro 2022
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602022000100264
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spelling oai:scielo:S2175-786020220001002642022-12-22Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, BrazilSouza,Elnatan Bezerra deNepomuceno,Francisco Álvaro AlmeidaSantos,Francisco Diego SousaAraújo,Francisco Fernandes deNepomuceno,Izaíra VasconcelosPaula,Alexandre Souza deAmorim,Vivian OliveiraBranco,Mário Sérgio DuarteRabelo,Samuel TrajanoPinto,David Mendes MacelliNascimento,João Batista Silva doMoro,Marcelo Freire floristics life forms phytosociology SDTFW semiarid Abstract The Seasonally Dry Tropical Forests and Woodlands biome (SDTFW) has its largest nucleus in the Caatinga domain. We characterized the flora and physiognomy of the vegetation in the Pedra da Andorinha Wildlife Refuge (RPA), in Ceará, Brazil. Plant collections were made between March/2015 and May/2021, applying usual botanical methods. All material was deposited in HUVA herbarium. The phytosociological studies covered five 50 m x 50 m plots established (1.25 ha) in which all individuals with diameters at soil level ³ 3 cm were inventoried. We identified 266 vascular plants species distributed among 185 genera and 67 families, including one fern (Marsilea deflexa - Marsileaceae). Fabaceae had the greatest species richness (38 spp.), while Ipomoea was the richest genus (9 spp.). 43.6% of all plant species were herbaceous, with a predominance of therophytes (57.5% of all herbaceous plants). The phytosociological study sampled 1,988 individuals distributed among 24 species of 13 families. The species with the greatest important value were Cordia oncocalyx (Boraginaceae) and Croton blanchetianus (Euphorbiaceae). We classify the local physiognomy as typical caatinga sensu stricto vegetation and rocky vegetation on inselbergs and outcrops. We highlight the richness of herbaceous plants in the local community, which surpass the richness of the woody component.info:eu-repo/semantics/openAccessInstituto de Pesquisas Jardim Botânico do Rio de JaneiroRodriguésia v.73 20222022-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602022000100264en10.1590/2175-7860202273109
institution SCIELO
collection OJS
country Brasil
countrycode BR
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access En linea
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region America del Sur
libraryname SciELO
language English
format Digital
author Souza,Elnatan Bezerra de
Nepomuceno,Francisco Álvaro Almeida
Santos,Francisco Diego Sousa
Araújo,Francisco Fernandes de
Nepomuceno,Izaíra Vasconcelos
Paula,Alexandre Souza de
Amorim,Vivian Oliveira
Branco,Mário Sérgio Duarte
Rabelo,Samuel Trajano
Pinto,David Mendes Macelli
Nascimento,João Batista Silva do
Moro,Marcelo Freire
spellingShingle Souza,Elnatan Bezerra de
Nepomuceno,Francisco Álvaro Almeida
Santos,Francisco Diego Sousa
Araújo,Francisco Fernandes de
Nepomuceno,Izaíra Vasconcelos
Paula,Alexandre Souza de
Amorim,Vivian Oliveira
Branco,Mário Sérgio Duarte
Rabelo,Samuel Trajano
Pinto,David Mendes Macelli
Nascimento,João Batista Silva do
Moro,Marcelo Freire
Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil
author_facet Souza,Elnatan Bezerra de
Nepomuceno,Francisco Álvaro Almeida
Santos,Francisco Diego Sousa
Araújo,Francisco Fernandes de
Nepomuceno,Izaíra Vasconcelos
Paula,Alexandre Souza de
Amorim,Vivian Oliveira
Branco,Mário Sérgio Duarte
Rabelo,Samuel Trajano
Pinto,David Mendes Macelli
Nascimento,João Batista Silva do
Moro,Marcelo Freire
author_sort Souza,Elnatan Bezerra de
title Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil
title_short Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil
title_full Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil
title_fullStr Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil
title_full_unstemmed Flora and physiognomy of Caatinga vegetation over crystalline bedrock in the northern Caatinga domain, Brazil
title_sort flora and physiognomy of caatinga vegetation over crystalline bedrock in the northern caatinga domain, brazil
description Abstract The Seasonally Dry Tropical Forests and Woodlands biome (SDTFW) has its largest nucleus in the Caatinga domain. We characterized the flora and physiognomy of the vegetation in the Pedra da Andorinha Wildlife Refuge (RPA), in Ceará, Brazil. Plant collections were made between March/2015 and May/2021, applying usual botanical methods. All material was deposited in HUVA herbarium. The phytosociological studies covered five 50 m x 50 m plots established (1.25 ha) in which all individuals with diameters at soil level ³ 3 cm were inventoried. We identified 266 vascular plants species distributed among 185 genera and 67 families, including one fern (Marsilea deflexa - Marsileaceae). Fabaceae had the greatest species richness (38 spp.), while Ipomoea was the richest genus (9 spp.). 43.6% of all plant species were herbaceous, with a predominance of therophytes (57.5% of all herbaceous plants). The phytosociological study sampled 1,988 individuals distributed among 24 species of 13 families. The species with the greatest important value were Cordia oncocalyx (Boraginaceae) and Croton blanchetianus (Euphorbiaceae). We classify the local physiognomy as typical caatinga sensu stricto vegetation and rocky vegetation on inselbergs and outcrops. We highlight the richness of herbaceous plants in the local community, which surpass the richness of the woody component.
publisher Instituto de Pesquisas Jardim Botânico do Rio de Janeiro
publishDate 2022
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602022000100264
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