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Diversity, Volume 11, Issue 8

2019 August - 23 articles

Cover Story: In this study, we updated the list of Costa Rican amphibians. This new list consists of 215 species, including 154 anurans, 53 salamanders, and 8 caecilians. Many of these species are threatened by the pathogen Batrachochytrium dendrobatidis (Bd), which has been linked to numerous species declines and extinctions that primarily occurred during the 1980s and 1990s throughout Central America. One of our goals is to quantify current host–pathogen dynamics across Costa Rica to develop more effective conservation strategies for amphibians. View this paper.
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Articles (23)

  • Article
  • Open Access
89 Citations
9,044 Views
15 Pages

Actinobacteria from Extreme Niches in Morocco and Their Plant Growth-Promoting Potentials

  • Ahmed Nafis,
  • Anas Raklami,
  • Noura Bechtaoui,
  • Fatima El Khalloufi,
  • Abdelkhalek El Alaoui,
  • Bernard R. Glick,
  • Mohamed Hafidi,
  • Lamfeddal Kouisni,
  • Yedir Ouhdouch and
  • Lahcen Hassani

20 August 2019

The objectives of this study were to assess actinobacterial diversity in five Moroccan extreme habitats and to evaluate their plant growth-promoting (PGP) activities. The soil samples were collected from different locations, including soils contamina...

  • Article
  • Open Access
15 Citations
5,978 Views
17 Pages

Bacterial Communities from Extreme Environments: Vulcano Island

  • Camilla Fagorzi,
  • Sara Del Duca,
  • Stefania Venturi,
  • Carolina Chiellini,
  • Giovanni Bacci,
  • Renato Fani and
  • Franco Tassi

20 August 2019

Although volcanoes represent extreme environments for life, they harbour bacterial communities. Vulcano Island (Aeolian Islands, Sicily) presents an intense fumarolic activity and widespread soil degassing, fed by variable amounts of magmatic gases (...

  • Review
  • Open Access
53 Citations
14,717 Views
22 Pages

16 August 2019

Climate change is occurring at an unprecedented rate and has begun to modify the distribution and phenology of organisms worldwide. Chelonians are expected to be particularly vulnerable due to limited dispersal capabilities as well as widespread temp...

  • Article
  • Open Access
11 Citations
9,242 Views
13 Pages

15 August 2019

The present research was conducted to assess the impact of abiotic and biotic factors on the growth of freshwater dinoflagellates such as Ceratium hirundinella, Peridinium cinctum, and Peridiniopsis elpatiewskyi, which reduce the quality of drinking...

  • Article
  • Open Access
18 Citations
5,202 Views
13 Pages

14 August 2019

A giant goldenrod plant, Solidago gigantea, native to North America is rapidly spreading in Europe and may have serious impact on ecosystems that inhabit. There is a lack of information about the effects of this species on soil biochemical properties...

  • Article
  • Open Access
20 Citations
5,587 Views
15 Pages

14 August 2019

Understanding the population genetic pattern and process of gene flow requires a detailed knowledge of how landscape characteristics structure populations. Although Cynodon dactylon (L.) Pers. (common bermudagrass) is widely distributed in the world,...

  • Article
  • Open Access
48 Citations
9,172 Views
22 Pages

Phytoplankton Blooms, Red Tides and Mucilaginous Aggregates in the Urban Thessaloniki Bay, Eastern Mediterranean

  • Savvas Genitsaris,
  • Natassa Stefanidou,
  • Ulrich Sommer and
  • Maria Moustaka-Gouni

14 August 2019

We investigated the plankton community composition and abundance in the urban marine environment of Thessaloniki Bay. We collected water samples weekly from March 2017 to February 2018 at the coastal front of Thessaloniki city center and monthly samp...

  • Article
  • Open Access
8 Citations
4,947 Views
20 Pages

Cross Taxon Congruence Between Lichens and Vascular Plants in a Riparian Ecosystem

  • Giovanni Bacaro,
  • Enrico Tordoni,
  • Stefano Martellos,
  • Simona Maccherini,
  • Michela Marignani,
  • Lucia Muggia,
  • Francesco Petruzzellis,
  • Rossella Napolitano,
  • Daniele Da Re and
  • Lorenzo Lastrucci
  • + 3 authors

13 August 2019

Despite that congruence across taxa has been proved as an effective tool to provide insights into the processes structuring the spatial distribution of taxonomic groups and is useful for conservation purposes, only a few studies on cross-taxon congru...

  • Review
  • Open Access
15 Citations
7,440 Views
10 Pages

12 August 2019

Hurricanes Irma and Maria, two powerful storms that hit the U.S. Virgin Islands less than 2 weeks apart in September 2017, caused extensive damage to the natural resources on St. John. Damage was particularly severe in a unique mangrove/coral ecosyst...

  • Article
  • Open Access
26 Citations
8,367 Views
25 Pages

The Vertebrate TLR Supergene Family Evolved Dynamically by Gene Gain/Loss and Positive Selection Revealing a Host–Pathogen Arms Race in Birds

  • Imran Khan,
  • Emanuel Maldonado,
  • Liliana Silva,
  • Daniela Almeida,
  • Warren E. Johnson,
  • Stephen J. O’Brien,
  • Guojie Zhang,
  • Erich D. Jarvis,
  • M. Thomas P. Gilbert and
  • Agostinho Antunes

12 August 2019

The vertebrate toll-like receptor (TLRs) supergene family is a first-line immune defense against viral and non-viral pathogens. Here, comparative evolutionary-genomics of 79 vertebrate species (8 mammals, 48 birds, 11 reptiles, 1 amphibian, and 11 fi...

  • Article
  • Open Access
12 Citations
4,660 Views
26 Pages

12 August 2019

Platycephalotrema n. gen. (Dactylogyridae) is proposed for four new species and 5 previously described species parasitizing the gills of flatheads (Scorpaeniformes: Platycephalidae) as follows: Platycephalotrema ogawai n. sp. (type species) from Plat...

  • Article
  • Open Access
19 Citations
9,818 Views
20 Pages

Endemic Infection of Batrachochytrium dendrobatidis in Costa Rica: Implications for Amphibian Conservation at Regional and Species Level

  • Héctor Zumbado-Ulate,
  • Kiersten N. Nelson,
  • Adrián García-Rodríguez,
  • Gerardo Chaves,
  • Erick Arias,
  • Federico Bolaños,
  • Steven M. Whitfield and
  • Catherine L. Searle

9 August 2019

Batrachochytrium dendrobatidis (Bd) has been associated with the severe declines and extinctions of amphibians in Costa Rica that primarily occurred during the 1980s and 1990s. However, the current impact of Bd infection on amphibian species in Costa...

  • Article
  • Open Access
8 Citations
8,933 Views
28 Pages

A Comparison of Systematic Quadrat and Capture-Mark-Recapture Sampling Designs for Assessing Freshwater Mussel Populations

  • Caitlin S. Carey,
  • Jess W. Jones,
  • Robert S. Butler,
  • Marcella J. Kelly and
  • Eric M. Hallerman

7 August 2019

Our study objective was to compare the relative effectiveness and efficiency of quadrat and capture-mark-recapture (CMR) sampling designs for monitoring mussels. We collected data on a recently reintroduced population of federally endangered Epioblas...

  • Review
  • Open Access
15 Citations
6,354 Views
23 Pages

Parageobacillus thermantarcticus, an Antarctic Cell Factory: From Crop Residue Valorization by Green Chemistry to Astrobiology Studies

  • Ilaria Finore,
  • Licia Lama,
  • Paola Di Donato,
  • Ida Romano,
  • Annabella Tramice,
  • Luigi Leone,
  • Barbara Nicolaus and
  • Annarita Poli

7 August 2019

Knowledge of Antarctic habitat biodiversity, both marine and terrestrial, has increased considerably in recent years, causing considerable development in the studies of life science related to Antarctica. In the Austral summer 1986–1987, a new...

  • Review
  • Open Access
19 Citations
8,005 Views
13 Pages

29 July 2019

Plantations of willow (Salix spp.) are today grown as short-rotation coppice (SRC) for the sustainable production of biomass. While developing these production systems in the past, much ecological knowledge on plant–plant, plant–environme...

  • Article
  • Open Access
33 Citations
24,280 Views
14 Pages

Phylogenomic Reconstruction of the Neotropical Poison Frogs (Dendrobatidae) and Their Conservation

  • Wilson X. Guillory,
  • Morgan R. Muell,
  • Kyle Summers and
  • Jason L. Brown

29 July 2019

The evolutionary history of the Dendrobatidae, the charismatic Neotropical poison frog family, remains in flux, even after a half-century of intensive research. Understanding the evolutionary relationships between dendrobatid genera and the larger-or...

  • Article
  • Open Access
8 Citations
5,539 Views
16 Pages

26 July 2019

The ecology of an epibiont may depend not only on the dynamics of its biogenic habitat but also on microclimate variation generated within aggregations of its host, a process called physical ecosystem engineering. This study explored variation in the...

  • Article
  • Open Access
6 Citations
6,449 Views
11 Pages

26 July 2019

The study of the dynamics of the European pond turtle’s Emys orbicularis range and distribution as an indicator of climate change in the past, present, and future is most relevant in connection with the protected status of this species in Europ...

  • Article
  • Open Access
7 Citations
6,057 Views
16 Pages

26 July 2019

The work aimed to study the structural variables of zooplankton to assess the water quality of the Caspian Sea. Studies of zooplankton were conducted in the spring and summer of 2008 and 2010. Abundance, biomass, an average individual mass of a speci...

  • Article
  • Open Access
23 Citations
13,312 Views
35 Pages

26 July 2019

The pollination of 20 common terrestrial orchids was studied in a 60-ha urban banksia and eucalypt dominated woodland in Western Australia. Five years of data (24,000 flowers, 6800 plants) measured fruit set relative to floral areas, capsule volumes,...

  • Article
  • Open Access
10 Citations
7,115 Views
22 Pages

26 July 2019

Spatial ecological information is necessary to guide the conservation efforts of river turtles, but it is lacking for many species including the smooth softshell turtle (Apalone mutica). We investigated the spatial ecology of A. mutica in two reaches...

  • Article
  • Open Access
10 Citations
5,740 Views
16 Pages

Exploring the Interplay Between Local and Regional Drivers of Distribution of a Subterranean Organism

  • Stefano Mammola,
  • Shlomi Aharon,
  • Merav Seifan,
  • Yael Lubin and
  • Efrat Gavish-Regev

25 July 2019

Caves are excellent model systems to study the effects of abiotic factors on species distributions due to their selective conditions. Different ecological factors have been shown to affect species distribution depending on the scale of analysis, whet...

  • Article
  • Open Access
4 Citations
4,141 Views
12 Pages

Risks of Mixtures of Oil Sands Contaminants to a Sensitive Mayfly Sentinel, Hexagenia

  • Julia Howland,
  • Alexa Alexander,
  • Danielle Milani,
  • Kerry Peru and
  • Joseph Culp

24 July 2019

Tailings ponds in northeastern Alberta, Canada contain massive amounts of oil sands process water (OSPW) that cannot currently be released due to the toxicity of some components. Limited space and the need for reclamation of oil sands operation sites...

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Diversity - ISSN 1424-2818