INFLUENCE OF PRECIPITATING SYSTEMS ON LITTERFALL PRODUCTION IN AMAZON COAST MANGROVE

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HYAGO ELIAS NASCIMENTO SOUZA
MARIA ISABEL VITORINO
STEEL SILVA VASCONCELOS
EDUARDO RIBEIRO MARINHO
CARLOS JOSÉ CAPELA BISPO

Abstract

Mangroves are ecosystems with significant environmental and socioeconomic
relevance and knowledge of the ecological relationship between this ecosystem and the
atmosphere is of fundamental importance for its preservation and sustainable use of
natural resources. In this sense, this study aims to analyze the precipitating meteorological
systems and their seasonal rainfall variation on the Amazon coast and their influence
on the variability of litterfall production in the mangrove forest. 3 plots were delimited
with 12 collectors of 1 m2 litterfall in the experimental site of Cuiarana. The collections
were performed monthly and were classified into leaf, woody, reproductive material and
miscellaneous. Rainfall data from the Micrometeorological Tower and CPC MORPHing
technique (CMORPH) were used. Two-way and one-way ANOVA (p < 0,05) and linear
regression analysis (p < 0,05) were used. The results indicate that the temporal variation
of precipitation is modulated by different meteorological systems. In the production of
litterfall there was significant difference between the monthly production values and
between the fractions of litterfall. The total annual production of litterfall was 9.4 ±
0,06 Mg ha-1 year-1, where 67% was composed by the leaf fraction. The analyses of the
fraction Total leaf and leaf of the species L. racemosa showed significant correlation with
precipitation (r2 = 0,36 and r2 = 0,72; p < 0,05), respectively. In view of the results, it is
concluded that the production of mangrove litterfall has a direct relationship with the
precipitating systems.

Article Details

How to Cite
SOUZA, H., VITORINO, M. I., VASCONCELOS, S., MARINHO, E., & BISPO, C. J. (2019). INFLUENCE OF PRECIPITATING SYSTEMS ON LITTERFALL PRODUCTION IN AMAZON COAST MANGROVE. Brazilian Journal of Environmental Sciences (Online), (54), 105-118. https://doi.org/10.5327/Z2176-947820190571
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Author Biographies

HYAGO ELIAS NASCIMENTO SOUZA, UNIVERSIDADE DO ESTADO DO PARÁ

Mestre em Ciências Ambientais pela Universidade Federal do Pará (UFPA). Técnico A (Engenheiro Ambiental) na Universidade do Estado do Pará – Belém (PA), Brasil.

MARIA ISABEL VITORINO, UNIVERSIDADE FEDERAL DO PARÁ

Doutora em Meteorologia pelo Instituto Nacional de Pesquisas Espaciais (INPE). Professora adjunta da UFPA – Belém (PA), Brasil.

STEEL SILVA VASCONCELOS, EMPRESA BRASILEIRA DE PESQUISA AGROPECUÁRIA

Doutor em Recursos e Coservação Florestal pela University of Flórida (USA). Pesquisador na EMBRAPA Amazônia Oriental, Belém (PA), Brasil.

EDUARDO RIBEIRO MARINHO, UFPA

Mestre em Ciências Ambientais pela Universidade Federal do Pará (UFPA). Professor de Química, Belém (PA), Brasil.

CARLOS JOSÉ CAPELA BISPO, UEPA

Mestre em Ciências Ambientais pela Universidade Federal do Pará (UFPA). Docente na Universidade do Estado do Pará (UEPA) – Belém (PA), Brasil.