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Diversity, Volume 11, Issue 1

January 2019 - 14 articles

Cover Story: When animals assimilate food into their own tissue, their stable isotope composition comes to mirror that of their diet. As a result, sampling consumer tissue allows ecologists to understand resource use. However, there are multiple influences that can confound our interpretation of the isotopic composition of tissue. To resolve this problem, here we summarize the principles and early successes of compound-specific isotope analysis (CSIA), a novel approach in which isotopic composition is assessed for individual molecules, such as amino acids. The key principle is that some molecules are routed directly from the diet into animal tissue, whereas others are biochemically transformed during assimilation. CSIA substantially improves the precision of tracing nutrient and energy flow within and among organisms and ecosystems. View this paper.
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Articles (14)

  • Article
  • Open Access
26 Citations
9,047 Views
14 Pages

Diversity and Structure of Parrotfish Assemblages across the Northern Great Barrier Reef

  • Garrett B. Johnson,
  • Brett M. Taylor,
  • William D. Robbins,
  • Erik C. Franklin,
  • Rob Toonen,
  • Brian Bowen and
  • J. Howard Choat

18 January 2019

The structure and dynamics of coral reef environments vary across a range of spatial scales, with patterns of associated faunal assemblages often reflecting this variability. However, delineating drivers of biological variability in such complex envi...

  • Article
  • Open Access
33 Citations
6,537 Views
15 Pages

Influence of Landscape Factors on Amphibian Roadkills at the National Level

  • Neftalí Sillero,
  • Katja Poboljšaj,
  • Aleksandra Lešnik and
  • Ali Šalamun

17 January 2019

Roads exert multiple effects on wildlife, from animal mortality, habitat and population fragmentation, to modification of animal reproductive behaviour. Amphibians are the most frequently road-killed animal group. Many studies have attempted to analy...

  • Article
  • Open Access
11 Citations
6,252 Views
12 Pages

15 January 2019

During the day, hummingbirds quickly metabolize floral nectar to fuel high metabolic demands, but are unable to feed at night. Though stored fat is the primary nocturnal metabolic fuel, it has been suggested that hummingbirds store nectar in their cr...

  • Article
  • Open Access
15 Citations
5,197 Views
11 Pages

Muddy Boots Beget Wisdom: Implications for Rare or Endangered Plant Species Distribution Models

  • Nora H. Oleas,
  • Kenneth J. Feeley,
  • Javier Fajardo,
  • Alan W. Meerow,
  • Jennifer Gebelein and
  • Javier Francisco-Ortega

15 January 2019

Species distribution models (SDMs) are popular tools for predicting the geographic ranges of species. It is common practice to use georeferenced records obtained from online databases to generate these models. Using three species of Phaedranassa (Ama...

  • Article
  • Open Access
20 Citations
4,900 Views
20 Pages

After the Fall: Legacy Effects of Biogenic Structure on Wind-Generated Ecosystem Processes Following Mussel Bed Collapse

  • John A. Commito,
  • Brittany R. Jones,
  • Mitchell A. Jones,
  • Sondra E. Winders and
  • Serena Como

15 January 2019

Blue mussels (Mytilus edulis) are ecosystem engineers with strong effects on species diversity and abundances. Mussel beds appear to be declining in the Gulf of Maine, apparently due to climate change and predation by the invasive green crab, Carcinu...

  • Article
  • Open Access
15 Citations
6,074 Views
15 Pages

Pliocene Origin, Ice Ages and Postglacial Population Expansion Have Influenced a Panmictic Phylogeography of the European Bee-Eater Merops apiaster

  • Carina Carneiro de Melo Moura,
  • Hans-Valentin Bastian,
  • Anita Bastian,
  • Erjia Wang,
  • Xiaojuan Wang and
  • Michael Wink

15 January 2019

Oscillations of periods with low and high temperatures during the Quaternary in the northern hemisphere have influenced the genetic composition of birds of the Palearctic. During the last glaciation, ending about 12,000 years ago, a wide area of the...

  • Review
  • Open Access
173 Citations
16,916 Views
18 Pages

11 January 2019

The measurement of stable isotopes in ‘bulk’ animal and plant tissues (e.g., muscle or leaf) has become an important tool for studies of functional diversity from organismal to continental scales. In consumers, isotope values reflect thei...

  • Article
  • Open Access
11 Citations
4,409 Views
14 Pages

Individual Morphology and Habitat Structure Alter Social Interactions in a Range-Shifting Species

  • Zachary J. Cannizzo,
  • Sara K. Nix,
  • Isabel C. Whaling and
  • Blaine D. Griffen

5 January 2019

Ecosystem engineers that serve as foundation species shape the ecology and behavior of the species which depend on them. As species shift their geographic ranges into ecosystems they have not previously inhabited, it is important to understand how in...

  • Review
  • Open Access
82 Citations
11,472 Views
16 Pages

Detection and Control of Invasive Freshwater Crayfish: From Traditional to Innovative Methods

  • Chiara Manfrin,
  • Catherine Souty-Grosset,
  • Pedro M. Anastácio,
  • Julian Reynolds and
  • Piero G. Giulianini

4 January 2019

Invasive alien species are widespread in freshwater systems compared to terrestrial ecosystems. Among crustaceans, crayfish in particular have been widely introduced and are considered a major threat to freshwater ecosystem functioning. New emerging...

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Diversity - ISSN 1424-2818