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Related Concept Videos

Ecological Niches02:02

Ecological Niches

All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.Multiple species cannot occupy the exact same niche within their habitat. If the niches of two or more species overlap to a large extent, the competitive exclusion principle dictates that one species will outcompete the other, forcing it to...
Levels of Use of a GIS01:29

Levels of Use of a GIS

Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
Methods to Assess Microbial Communities01:19

Methods to Assess Microbial Communities

Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
Ecological Niche01:12

Ecological Niche

Microorganisms occupy diverse habitats and perform essential ecological functions that are defined by their ecological niches. A microbial niche encompasses the organism’s mode of survival, including resource acquisition, reproduction, and interactions with other species in its environment. This concept is vital for understanding microbial community dynamics, biogeography, and ecosystem functionality.The fundamental niche of a microorganism includes the full spectrum of environmental...
Manipulation and Analysis01:21

Manipulation and Analysis

GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
Introduction to Microbial Ecology01:28

Introduction to Microbial Ecology

Microbial ecology examines the complex web of interactions and diversity among microorganisms within various ecosystems. This field seeks to understand how microbial populations adapt to and influence their environments and how these interactions shape broader ecological processes. Microbes are integral to ecosystem function, participating in nutrient cycling, energy flow, and the maintenance of environmental homeostasis.An ecosystem represents a dynamic interaction between living organisms...

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Related Experiment Video

Updated: Jun 6, 2026

Design and Construction of an Urban Runoff Research Facility
13:48

Design and Construction of an Urban Runoff Research Facility

Published on: August 8, 2014

Navigating urban ecology: Conceptual and methodological insights.

Ian MacGregor-Fors1, Christine C Rega-Brodsky2, D Johan Kotze1

  • 1Department of Environmental Sciences, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland.

Ecology
|June 5, 2026
PubMed
Summary

Urban ecology research helps understand how cities affect biodiversity. This guide addresses common challenges and offers strategies for rigorous studies in urban ecosystems.

Keywords:
interdisciplinarityresearch methodologysocial‐ecological systemsurban biodiversityurban ecologyurbanization

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Watershed Planning within a Quantitative Scenario Analysis Framework
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Last Updated: Jun 6, 2026

Design and Construction of an Urban Runoff Research Facility
13:48

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Published on: August 8, 2014

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Area of Science:

  • Ecology
  • Urban Ecology

Background:

  • Urban ecology has grown significantly since the late 1990s.
  • The interdisciplinary nature of urban ecology can be overwhelming for new researchers due to scattered literature.
  • Studies on urban biodiversity face common pitfalls.

Purpose of the Study:

  • To address common pitfalls in urban biodiversity research.
  • To provide action items for urban ecologists, both new and experienced.
  • To offer guidance on framing research questions and study design in urban ecosystems.

Main Methods:

  • Drawing on collective expertise of editors and reviewers.
  • Presenting key concepts for hypothesis-based research.
  • Suggesting approaches for conceptualizing urban settings, scales, and variables.

Main Results:

  • Identified common pitfalls in urban biodiversity studies.
  • Provided actionable insights for conducting rigorous research.
  • Highlighted the importance of spatial-temporal scales and social-ecological perspectives.

Conclusions:

  • Rigorous urban ecological research is crucial for understanding biodiversity in urbanizing environments.
  • The guide aims to support both novice and experienced researchers in urban ecology.
  • Emphasizes innovation while maintaining scientific rigor in urban biodiversity studies.