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Assessing Intertidal Populations of the Invasive European Green Crab
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Cryptic invasions: A review.

Pedro Morais1, Martin Reichard1

  • 1Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65 Brno, Czech Republic.

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|June 27, 2017
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Summary
This summary is machine-generated.

Cryptic invasions, often unnoticed introductions of non-native species or lineages, are more common than acknowledged. Understanding their causes and impacts is crucial for managing biodiversity and preventing rapid range expansions.

Keywords:
BibliometricBiological invasionsConspecific invaderInvasiveness

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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Conservation Biology

Background:

  • Cryptic invasions, defined as intra-specific or inter-specific introductions, are poorly understood despite their potential impact.
  • These invasions are difficult to detect, leading to underestimation of their prevalence and consequences.
  • Existing research often neglects population-specific attributes crucial for invasion success.

Purpose of the Study:

  • To analyze the sources, mechanisms, and consequences of cryptic invasions.
  • To quantify the proportion of research on cryptic invasions across taxa and regions using bibliometrics.
  • To highlight methods for detecting cryptic invasions and managing intra-specific ones.

Main Methods:

  • Bibliometric survey to assess research trends in cryptic invasions.
  • Analysis of archived specimens to determine invasion occurrence and timing.
  • Review of ecological interactions, hybridization, and anthropogenic influences on invasion success.

Main Results:

  • Cryptic invasions are likely widespread and often undetected, potentially leading to rapid range expansions.
  • Anthropogenic environmental changes facilitate the arrival of cryptic invaders.
  • Interspecific interactions, hybridization, and specific lineage traits contribute to invasion success.

Conclusions:

  • Cryptic invasions are more prevalent than currently recognized and require focused research.
  • Coevolved associations significantly influence the impact of cryptic invasions on local communities.
  • A management framework for intra-specific cryptic invasions is proposed.