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CASRAI
Systematic Review Search Standards

Search Strategy Guide: Ecology & Evolutionary Biology

To construct a truly reproducible literature synthesis in Ecology & Evolutionary Biology, investigators must systematically map their search terms. With research outputs in this field scattered across various indexing directories, preparing a structured systematic review search strategy ensures complete query sensitivity. This handbook provides the tools required to formulate queries within Biosis, Scopus & Dryad systems using Biological Phenomena metadata.

1. Structured Search Design & Boolean String Construction

To achieve maximum query sensitivity for Ecology & Evolutionary Biology studies, literature searches must deploy optimized boolean search operators in structured sequences within Biosis, Scopus & Dryad. A rigorous boolean operators search links overlapping themes using logical OR statements, while narrowing the overall scope with AND operators. Advanced truncation research methodologies recommend truncating word roots (such as `analy*` or `therapy*`) to capture diverse morphology variations, thereby optimizing total citation retrieval.

2. Controlled Vocabularies & Subject Headings

Humanities and public policy reviews in Ecology & Evolutionary Biology typically span a wide, heterogeneous array of databases, including Historical Abstracts, LLBA, and Worldwide Political Science Abstracts. Researchers must customize queries to handle historical spelling variations, translational shifts, and changing terminology under Biological Phenomena terms. Applying database query optimization across Biosis, Scopus & Dryad catalogs ensures thorough retrieval of grey literature and rare documents.

A high-quality literature synthesis in Ecology & Evolutionary Biology is grounded in a pre-planned structural model. Researchers typically adopt the PICO search strategy (or the SPIDER framework for qualitative reviews) to map key search entities under Biological Phenomena. This framework forms the basis of the systematic review search strategy or a tailored scoping review search strategy inside Biosis, Scopus & Dryad. Preparing a detailed systematic review search strategy table detailing the exact string and retrieval yields is a fundamental reproducibility requirement.

Sensitivity testing of a search string for Ecology & Evolutionary Biology is performed by running the query against a validation set of known, highly relevant papers in Biosis, Scopus & Dryad. This validation step is a critical phase of the research stages process to ensure query coverage. Depending on the different types of research designs selected—whether it is a mixed methods research design, a longitudinal research design, or a study based on causal research—the search string must undergo multiple rounds of iterative refinement to maximize precision.

Sample Search String Template for Ecology & Evolutionary Biology

("Ecology & Evolutionary Biology"[MeSH Terms] OR "ecology & evolutionary biology"[All Fields]) AND 
("Reproducibility"[MeSH Terms] OR "reproducibility"[All Fields] OR "repeatability"[All Fields]) AND 
("Methods"[MeSH Terms] OR "methodology"[All Fields] OR "standards"[All Fields])
Note: Designed for execution in Biosis, Scopus & Dryad. Truncation and field tags can be adjusted depending on the database's specific syntax.

3. Search Strategy Validation Set (High-Impact Baseline)

A rigorous systematic review protocol requires validating your search query against a pre-defined set of key baseline publications. The following three highly-cited papers indexed in OpenAlex are verified within the domain of Ecology & Evolutionary Biology. Ensure that your final constructed query string successfully retrieves these references when executed inside Biosis, Scopus & Dryad.

22,496 Citations2013

phyloseq: An R Package for Reproducible Interactive Analysis and Graphics of Microbiome Census Data

Paul J. McMurdie, Susan HolmesPLoS ONE

22,140 Citations2005

Detecting the number of clusters of individuals using the software <scp>structure</scp>: a simulation study

Guillaume Evanno, Sébastien Regnaut, Jérôme GoudetMolecular Ecology

13,100 Citations2007

BEAST: Bayesian evolutionary analysis by sampling trees

Alexei J. Drummond, Andrew RambautBMC Evolutionary Biology

4. Translating Queries Across Platforms

A search strategy developed for one database must be carefully translated before execution in another. For example, field tags in PubMed (such as [Mesh] or [tw]) will cause syntax errors if pasted directly into Scopus or Web of Science. Use the comparison table below to guide your translation process:

FeaturePubMed / MEDLINE SyntaxScopus SyntaxWeb of Science Syntax
Controlled Vocabulary"Term"[Mesh]INDEXTERM("Term")N/A (Uses Topic search)
Title / Abstract Searchterm[tiab]TITLE-ABS-KEY(term)TS=(term)
Truncation Wildcard* (replaces word end)* (any characters)* (replaces characters)

Discipline Specs

DisciplineEcology & Evolutionary Biology
Primary DatabasesBiosis, Scopus & Dryad
MeSH Tree BranchBiological Phenomena

PRISMA Compliance

The PRISMA 2020 declaration mandates that authors must present full electronic search strategies for all databases searched, including any filters used. This level of transparency is essential for the peer-review and validation process.

Referenced across the research world

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