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Purpose An efficient and adequate environmental monitoring plan is essential to any integrated coastal zone management (ICZM) program. The purpose of this paper is to apply an environmental diagnostic study to a coastal lagoon using anthropogenic markers as a decision support tool to aid the development of coastal environmental management policies. Design/methodology/approach Specifically, environmental status and anthropogenic sources were determined as part of a coastal environmental management plan; a study of human occupation and use was conducted to determine the predominant human activities around the lagoon; an environmental diagnostic study was conducted to determine the occurrence, levels and distribution of markers; and the results of the environmental diagnostic study were compared to indicators stipulated in Brazilian legislation. Findings Land use study revealed both urban and rural activities around the lagoon, as evidenced by the existence of residences, restaurants as well as poultry and livestock activities. The environmental diagnostic study revealed the input of human sewage (treated and raw) and runoff from animal husbandry activities. Practical implications The information produced using anthropogenic markers showed the influence of less studied rural activities, such as livestock and poultry farming, thereby providing a more reliable environmental status compared to the use of classic indicators employed in laws issued by international and Brazilian agencies. Originality/value The present results show that classic indicators used by environmental agencies are insufficient for an accurate diagnosis of coastal zones with multiple anthropogenic activities. Thus, the modernization of the environmental monitoring plan of the ICZM program is urgently needed for a more accurate assessment of coastal environments.

O presente artigo tem como intuito abordar a influencia existente entre o índice de arborização e edificação com níveis do material particulado respirável (MP 2,5µm) e condições atmosféricas em áreas utilizadas para práticas de esportes e lazer no centro urbano de Fortaleza, CE, tendo em vista a melhora ou piora das condições atmosféricas em locais, predominantemente, ocupados por vegetação ou edifícios. Assim, foram coletados dados primários das concentrações de MP2,5 com a amostragem ativa e dados meteorológicos com uma estação meteorológica portátil em 7 pontos de amostragem distribuídos no Município. Os índices de Arborização e Edificação foram feitos por meio do Software ArcGis, consistindo no mapeamento e delimitação da área de cobertura por copas de árvores e edifícios nos pontos de amostragem selecionados. Assim, foi realizada a correlação estatística dos dados, onde verificou-se, como resultado, os tipos de correlações existentes, classificando-as como positivas ou negativas e fortes ou fracas. Assim, esse trabalho permitiu observar a influência entre as concentrações de MP2.5 na atmosfera e as variáveis meteorológicas, e a relação dos índices construídos com o MP2.5 e com a velocidade do vento.AbstractThe present article aims to address the influence between the index of vegetation and edification with respirable particulate matter levels (PM 2.5μm) and atmospheric conditions in areas used for sports and leisure practices in the urban center of Fortaleza, CE, with a view to improving or worse weather conditions at locations predominantly occupied by vegetation or buildings. Thus, primary data of the concentrations of PM2.5 with active sampling and meteorological data were collected with a portable meteorological station in 7 sampling points distributed in the Municipality. The vegetation and edification indexes were made through ArcGIS Software, consisting of the mapping and delimitation of the coverage area by crowns of trees and buildings at the selected sampling points. Thus, the statistical correlation of the data was performed, where as a result the types of correlations were found, classifying them as positive or negative and strong or weak. Thus, this work allowed to observe the influence between the concentrations of PM2.5 in the atmosphere and the meteorological variables, and the relation of the indices constructed with PM2.5 and with the wind speed.Keywords: atmospheric pollution, urban vegetation, verticalization, particles, meteorological factors