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Henrik Balslev

Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region

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Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region. / Alvez-Valles, Carlos Mariano; Balslev, Henrik; Garcia-Villacorta, Roosevelt; Carvalho, Fabricio Alvim; Menini Neto, Luiz.

In: Acta Botanica Brasilica, Vol. 32, No. 4, 2018, p. 527-539.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Alvez-Valles, CM, Balslev, H, Garcia-Villacorta, R, Carvalho, FA & Menini Neto, L 2018, 'Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region', Acta Botanica Brasilica, vol. 32, no. 4, pp. 527-539. https://doi.org/10.1590/0102-33062017abb0400

APA

Alvez-Valles, C. M., Balslev, H., Garcia-Villacorta, R., Carvalho, F. A., & Menini Neto, L. (2018). Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region. Acta Botanica Brasilica, 32(4), 527-539. https://doi.org/10.1590/0102-33062017abb0400

CBE

Alvez-Valles CM, Balslev H, Garcia-Villacorta R, Carvalho FA, Menini Neto L. 2018. Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region. Acta Botanica Brasilica. 32(4):527-539. https://doi.org/10.1590/0102-33062017abb0400

MLA

Vancouver

Alvez-Valles CM, Balslev H, Garcia-Villacorta R, Carvalho FA, Menini Neto L. Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region. Acta Botanica Brasilica. 2018;32(4):527-539. https://doi.org/10.1590/0102-33062017abb0400

Author

Alvez-Valles, Carlos Mariano ; Balslev, Henrik ; Garcia-Villacorta, Roosevelt ; Carvalho, Fabricio Alvim ; Menini Neto, Luiz. / Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region. In: Acta Botanica Brasilica. 2018 ; Vol. 32, No. 4. pp. 527-539.

Bibtex

@article{4919a05f8342457caafcb931fae2f0a8,
title = "Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region",
abstract = "Palms are most diverse in warm and humid regions near the equator. Though palms remain relatively well conserved, they are under increasing pressure from deforestation. Here, we analyze patterns of palm species richness relative to latitudinal gradient, sampling effort, and deforestation in the Amazon, and compare patterns of richness and floristic similarity among Amazonian sub-regions. We built a database of 17,310 records for 177 species. The areas with the greatest richness were in the western, central and northeastern Amazon, principally at latitudes 0-5 degrees S. Species richness and the number of records were highly correlated (R-2=0.76, P= 2000 km(2)) were found in the southern and eastern Amazon of Brazil, which coincide with low richness and gaps in records. Similarity analyzes resulted in two groups of sub-regions: the first included the Amazon s,s., the Andes and the Guiana, while the second included the Plateau and Gurupi. We conclude that the highest species richness is at low latitudes, and observed richness is affected by sampling effort and is vulnerable to deforestation. Therefore, areas with low species richness, especially areas with data deficiency, need to be further studied for a better understanding of their patterns of diversity and richness.",
keywords = "Amazon palms, Amazon sub-regions, ecology of palms, richness patterns, species occurrence records, TERRA-FIRME FORESTS, VASCULAR PLANT DIVERSITY, RAIN-FOREST, FLORISTIC COMPOSITION, PERUVIAN AMAZONIA, ATLANTIC FOREST, EASTERN AMAZON, SOUTH-AMERICA, ARECACEAE, DISTRIBUTIONS",
author = "Alvez-Valles, {Carlos Mariano} and Henrik Balslev and Roosevelt Garcia-Villacorta and Carvalho, {Fabricio Alvim} and {Menini Neto}, Luiz",
year = "2018",
doi = "10.1590/0102-33062017abb0400",
language = "English",
volume = "32",
pages = "527--539",
journal = "Acta Botanica Brasilica",
issn = "0102-3306",
publisher = "SOC BOTANICA BRASIL",
number = "4",

}

RIS

TY - JOUR

T1 - Palm species richness, latitudinal gradients, sampling effort, and deforestation in the Amazon region

AU - Alvez-Valles, Carlos Mariano

AU - Balslev, Henrik

AU - Garcia-Villacorta, Roosevelt

AU - Carvalho, Fabricio Alvim

AU - Menini Neto, Luiz

PY - 2018

Y1 - 2018

N2 - Palms are most diverse in warm and humid regions near the equator. Though palms remain relatively well conserved, they are under increasing pressure from deforestation. Here, we analyze patterns of palm species richness relative to latitudinal gradient, sampling effort, and deforestation in the Amazon, and compare patterns of richness and floristic similarity among Amazonian sub-regions. We built a database of 17,310 records for 177 species. The areas with the greatest richness were in the western, central and northeastern Amazon, principally at latitudes 0-5 degrees S. Species richness and the number of records were highly correlated (R-2=0.76, P= 2000 km(2)) were found in the southern and eastern Amazon of Brazil, which coincide with low richness and gaps in records. Similarity analyzes resulted in two groups of sub-regions: the first included the Amazon s,s., the Andes and the Guiana, while the second included the Plateau and Gurupi. We conclude that the highest species richness is at low latitudes, and observed richness is affected by sampling effort and is vulnerable to deforestation. Therefore, areas with low species richness, especially areas with data deficiency, need to be further studied for a better understanding of their patterns of diversity and richness.

AB - Palms are most diverse in warm and humid regions near the equator. Though palms remain relatively well conserved, they are under increasing pressure from deforestation. Here, we analyze patterns of palm species richness relative to latitudinal gradient, sampling effort, and deforestation in the Amazon, and compare patterns of richness and floristic similarity among Amazonian sub-regions. We built a database of 17,310 records for 177 species. The areas with the greatest richness were in the western, central and northeastern Amazon, principally at latitudes 0-5 degrees S. Species richness and the number of records were highly correlated (R-2=0.76, P= 2000 km(2)) were found in the southern and eastern Amazon of Brazil, which coincide with low richness and gaps in records. Similarity analyzes resulted in two groups of sub-regions: the first included the Amazon s,s., the Andes and the Guiana, while the second included the Plateau and Gurupi. We conclude that the highest species richness is at low latitudes, and observed richness is affected by sampling effort and is vulnerable to deforestation. Therefore, areas with low species richness, especially areas with data deficiency, need to be further studied for a better understanding of their patterns of diversity and richness.

KW - Amazon palms

KW - Amazon sub-regions

KW - ecology of palms

KW - richness patterns

KW - species occurrence records

KW - TERRA-FIRME FORESTS

KW - VASCULAR PLANT DIVERSITY

KW - RAIN-FOREST

KW - FLORISTIC COMPOSITION

KW - PERUVIAN AMAZONIA

KW - ATLANTIC FOREST

KW - EASTERN AMAZON

KW - SOUTH-AMERICA

KW - ARECACEAE

KW - DISTRIBUTIONS

U2 - 10.1590/0102-33062017abb0400

DO - 10.1590/0102-33062017abb0400

M3 - Journal article

VL - 32

SP - 527

EP - 539

JO - Acta Botanica Brasilica

JF - Acta Botanica Brasilica

SN - 0102-3306

IS - 4

ER -