The diversity of foliicolous lichens on ferns in two Brazilian tropical forests

Farias, Rafael de Paiva; Costa, Lucas Erickson Nascimento da; Santiago, Augusto César Pessôa; Santos, Vera Maria dos

doi:10.1007/s13199-021-00775-3

Cited by 2 publications

(3 citation statements)

References 29 publications

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“…However, Danaea nodosa hosted only one epiphyllous lichen ( Tricharia sp.) in the much drier, submontane forests of Brazil (1200 and 1700 mm; Farias et al, 2021). These results indicate that epiphylls do not only depend on the presence of a superhost, such as Danaea nodosa at our study site, but also on the right environmental conditions such as high rainfall and air humidity (Tanunchai et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

“…Historically, the study of leaf traits on the colonization of epiphylls was focused on angiosperms (Coley et al, 1993; Coley & Kursar, 1996; Lücking, 1998a), while ferns have been widely neglected with exception of the studies of Lücking (1998a) on Diplazium ceratolepis , D. lindbergii , Thelypteris gigantea , Salpichlaena volubilis , Ctenitis subincisa , of Voglgruber (2011) on Polybotrya cervina , and of Farias et al (2021) on 11 fern species including P. cervina . This research gap is especially surprising because ferns comprise up to 13% of the mean leaf cover of the tropical forest understorey (Harms et al, 2004), which is the preferred microhabitat of epiphyll communities.…”

Section: Introductionmentioning

confidence: 99%

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Impact of longevity and wettability of fern leaves on epiphyll colonization in a Mexican lowland rainforest

Cerón-Carpio

García

Guerrero‐Analco

et al. 2023

J Vegetation Science

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Questions Leaf traits play an important role in the epiphyll colonization of leaves. Although ferns are common in forest understories, they have been widely ignored as possible host plants. We asked: How does epiphyll colonization (cover, richness, and composition) differ among fern species depending on their leaf longevity and surface wettability? Location Tropical Biological Station of “Los Tuxtlas”, Veracruz (Mexico). Methods Epiphyll cover was monitored on leaves of six individuals per species after 2, 5, 12, 16.5, and 26 months. Leaf longevity was calculated from leaf turnover rates over 24 months. Leaf wettability was determined through the contact angle technique. Results All studied fern species had hydrophilic leaf surfaces. Fern species with shorter leaf longevity (14.4–17.8 months) were colonized faster by epiphylls than species with longer leaf life spans (33.9–38.8 months). The area of the oldest leaves was covered to 1.2%–26.1% by foliicolous lichens and to 0.3%–2.2% by green algae. Foliicolous lichens were more species‐rich on Danaea nodosa (27 spp.) than on the other fern species (1–9 lichen spp.). Foliose liverworts thrived on the only riparian fern (3.57%). Only 0.04%–1.1% of the area of plastic substrates was colonized by epiphylls. Conclusions The hydrophilic leaf surfaces of ferns facilitated the colonization of epiphylls, especially of foliicolous lichens. The speed of epiphyll colonization was faster in ferns with shorter leaf longevity but increased in all species with leaf age. However, the relatively low epiphyll cover on fern leaves and artificial substrates in our study might be related to unfavorable microclimatic parameters.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Impact of longevity and wettability of fern leaves on epiphyll colonization in a Mexican lowland rainforest

Cerón-Carpio

García

Guerrero‐Analco

et al. 2023

J Vegetation Science

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“…Older sterile leaves also exhibited a dense covering of epiphylls although the timing of the appearance and growth of these obviously diverse communities were not noted. Identification of the lichen component has been a topic of study by Farias et al (2021) in Brazil who found that D. geniculata and D. nodosa each hosted one species of foliicolous lichen [Porina epiphylla (Fée) Fée (Trichotheliaceae) and a Tricharia species (Gomphillaceae), respectively]. However, Cerón-Carpio et al (2023) found that D. nodosa sterile leaves, with a mean lifespan of 30.7 mo in a rainforest in Mexico (compared to 33.5 mo in this study) hosted 27 species of foliicolous lichens, three or more times as many as the other seven fern species they surveyed.…”

Section: Discussion Dimorphismmentioning

confidence: 99%

Annual variation in growth and reproduction of three fern species of Danaea (Marattiaceae) in the hurricane-prone Luquillo mountains in Puerto Rico

Sharpe

2023

Rodriguésia

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A long-term fern demography study that included measurements of plant traits of three species in the dimorphic genus Danaea (1991-2009) was conducted in a rainforest in Puerto Rico beginning two years after the first major hurricane (Hugo) since the early 1930s. Both vegetative (sterile) leaves and spore-bearing (fertile) leaves on tagged plants were monitored repeatedly to document not only differences between two types of leaves, but also patterns of annual variation during a timespan that included the passage in 1998 of hurricane Georges. While all three species had fertile leaf lifespans of six mo or less, Danaea geniculata and D. polymorpha had much longer mean sterile leaf spans (54.4 mo, 52.7 mo) than D. nodosa (33.5 mo). All three species had significant year-to-year trait differences, often with immediate increases after Hurricane Georges levels returning to or below pre-hurricane levels in subsequent years. Long-term observations of annual variation in traits of herbaceous layer ferns that mainly follows the passage of a major hurricane highlight the importance of this study as the frequency and magnitude of hurricanes due to climate change are predicted to increase, although more experimental studies to identify specific causes of these long-term trends are needed.

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The diversity of foliicolous lichens on ferns in two Brazilian tropical forests

Cited by 2 publications

References 29 publications

Impact of longevity and wettability of fern leaves on epiphyll colonization in a Mexican lowland rainforest

Impact of longevity and wettability of fern leaves on epiphyll colonization in a Mexican lowland rainforest

Annual variation in growth and reproduction of three fern species of Danaea (Marattiaceae) in the hurricane-prone Luquillo mountains in Puerto Rico

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