Methane sources and sinks in karst systems: The Nerja cave and its vadose environment (Spain)

Ojeda, Lucía; Vadillo, Iñaki; Etiope, Giuseppe; Benavente, J.; Liñán, Cristina; Rosal, Yolanda del; Tapia, Silvana Teresa; Moriñigo, Miguel A.; Carrasco, Francisco

doi:10.1016/j.gca.2019.06.011

Cited by 17 publications

(16 citation statements)

References 35 publications

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“…Garcia-Anton et al [17] (2014) proved that in Altamira Cave Cladosporium spores had a clear external origin, as the data obtained for Nerja Cave also suggest that the presence of these fungi in the cave was due to transport from outside through air currents. It also stands out for its abundance in the air of Nerja Cave when the ventilation in the cave is greater (winter) compared to its practical absence in summer, with less or little ventilation.…”

Section: Discussionmentioning

confidence: 97%

“…The genus Cladosporium and, specifically, the species C. cladosporioides, was previously identified in the air of different European and Chinese caves [5,9,17,37,50,62,64,66,71], while C. sphaerospermum was retrieved from Slovakian and Chinese caves [49,50,66]. Cladosporium lebrasiae was first described from contaminated foods and forms a sister clade with Cladosporium dominicanum [72,73], but no reports on caves or air were found.…”

Section: Discussionmentioning

confidence: 99%

“…Microclimate control and monitoring of gases (CO 2 , CH 4 , 222 Rn, etc.) are used to investigate cave aerodynamic and ventilation or stagnation periods [11][12][13][14][15][16][17]. These studies, in combination with aerobiology, can provide clues for controlling airborne fungi and dispersion patterns in the caves [18,19].…”

Section: Introductionmentioning

confidence: 99%

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Diversity and Seasonal Dynamics of Airborne Fungi in Nerja Cave, Spain

Jurado

Rosal²,

Liñán

et al. 2021

Applied Sciences

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Nerja Cave, Southern Spain, was revealed as an important biodiversity reservoir from which several novel species of Aspergillus were described. We carried out an aerobiological study in Nerja Cave to assess the origin of airborne fungi. This study quantified the fungi present in the air of ten representative halls covering the three sectors comprising the cave: Touristic Galleries, High Galleries, and New Galleries. Microclimatological monitoring allowed us to understand the dynamic of airborne fungi in two seasons of the year (winter and summer), corresponding to the strongest and the lowest cave ventilation, and to validate the influence that the transport of airborne fungi from outside may have on the cave itself. The data show that cold air enters in winter, as confirmed by the abundant presence of Aspergillus and Penicillium spores inside and outside the cave. In summer, the abundance of some fungi in the air of Nerja Cave, which are not detected outside, indicates a stagnation or low ventilation, and therefore, the concentration of fungal spores is maxima. The high occurrence of Cladosporium outside the cave and the scarce abundance inside support the cave stagnation in this season.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

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Diversity and Seasonal Dynamics of Airborne Fungi in Nerja Cave, Spain

Jurado

Rosal²,

Liñán

et al. 2021

Applied Sciences

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“…In the past few years, a lot of researches about vulnerable karst environment have been undertaken. Some of the researches covered areas of characteristics of vulnerable karst environment, cause of formation, and ecological restoration and rehabilitation [11,20,[23][24][25][26], while others focused on the landscape of karst rocky desertification [5,10,18,19,27], the soil erosion in karst region [9,[28][29][30][31], cave environment [32][33][34], aquifer and spring based water environment [35][36][37][38][39][40][41][42][43][44][45], carbon source and sink [46][47][48], eco-hydrology [49,50], and protection and management of vulnerable karst environment [13,51,52]. Those researches addressed the major issues, yet there is still a lack of a general review that may reveal the trend of studies in this field.…”

Section: Introductionmentioning

confidence: 99%

A Vulnerable Environment Study in Karst Regions between 1991 and 2017: A Bibliometric Analysis

et al. 2019

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In order to understand the research hotspots and the development directions in the field of vulnerable karst environment, we undertook bibliometrics citation analysis on 5425 contributions to the literature written in the range from 1991 to 2017 based on the “Web of Science” core collection citation index database. Hopefully, this work will help to set up a scientific foundation for further studies. This research considered the following factors: keywords frequency, influence of author, research hotspot, reference citation network, research institution and the evolution of research topic. It was revealed that the research interests were focused on water, cave, and soil environments and implicated trends switching from a water environment to cave and eco-environment and from ecological restoration and rehabilitation to karst rocky desertification. A European-American-Chinese centered cooperation network has shown its initial form. This research will offer researchers a bird’s eye view of the global vulnerable karst environment and point out the directions of further study.

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“…Caves and karstic environments have motivated studies on very diverse subjects (e.g. Bogli, 1980;Gams et al, 1993;Vermeulen and Whitten, 1999;Urich, 2002;Batiot et al, 2003;Schlüter, 2006;Ford and Williams, 2007;van Beynen, 2011;Benavente et al, 2015;Maldonado et al, 2016;Ojeda et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Study of the Karst Process Dynamics in Khózuè: Calcareous Massif of Cheringoma Plateau (Mozambique)

Pena¹,

Waene²,

Martins

2019

J. Sed. Env.

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The present research was developed aiming to study macroscopically the effects of karstification that, over the time, affected significantly the carbonated massif in Khózuè, Cheringoma Plateau (Mozambique). The research was carried out from a field study (collecting samples and photos) for a period of one week, in May of 2017, in Khózuè. During the field work, evidences found in nature were recorded as well as, the mode of occurrence of several structures (caves, dolines and speleothems). The karstification in the study area that occurs in the Cheringoma Formation (from Middle Eocene) was greatly conditioned by fractures which influenced the process and formation of caves and dolines. These structures tended to follow morphological patterns depending on guide fractures orientation allied to their genesis and creating, in certain cases, dolines with a cross morphology. In addition to caves and dolines, karstic activity in the Cheringoma Formation massif also created other structures, especially speleothems, which are not widespread, and also preservation/fossilization of plant remains by mineralization. Chemical weathering chemical weathering, but especially internal geodynamic phenomena transformed the Khózuè massif one karst region with peculiar characteristics. ResumoEste trabalho foi desenvolvido com o objetivo de estudar macroscopicamente os efeitos da carstificação que, com o tempo, afetaram significativamente o maciço carbonatado de Khózuè, no platô de Cheringoma (Moçambique). A pesquisa foi realizada a partir de um estudo de campo (coleta de amostras e fotografias), em 2017, em Khózuè. Durante as atividades de campo, foram analisadas as estruturas encontradas na área de estudo, tal como a ocorrência de falhas, cavernas, dolinas e espeleotemas. A carstificação na área de estudo, associada á Formação Cheringoma (do Eoceno Médio), foi muito influenciada por falhas. Estas favoreceram a formação de cavernas e dolinas. Essas estruturas tenderam a assumir padrões morfológicos condicionados pela orientação de falhas. Em certos casos, as falhas deram origem por exemplo a dolinas em forma de cruz. Além de cavernas e dolinas, a atividade cárstica no maciço da Formação Cheringoma deu lugar também a outras estruturas, como por exemplo, espeleotemas encontrados em apenas alguns locais e a processos de preservação/fossilização por mineralização de restos vegetais. A meteorização química, mas sobretudo fenómenos de geodinâmica interna transformaram o maciço calcário de Khózuè uma região cárstica com características peculiares. Palavras-chave: Karstificação. Cavernas. Dolinas. Espeleotemas. Fossilização. Fraturas.

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Methane sources and sinks in karst systems: The Nerja cave and its vadose environment (Spain)

Cited by 17 publications

References 35 publications

Diversity and Seasonal Dynamics of Airborne Fungi in Nerja Cave, Spain

Diversity and Seasonal Dynamics of Airborne Fungi in Nerja Cave, Spain

A Vulnerable Environment Study in Karst Regions between 1991 and 2017: A Bibliometric Analysis

Study of the Karst Process Dynamics in Khózuè: Calcareous Massif of Cheringoma Plateau (Mozambique)

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