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Related Experiment Video

Updated: Jun 13, 2025

Forced Flowering in Mandarin Trees under Phytotron Conditions

Forced Flowering in Mandarin Trees under Phytotron Conditions

Published on: March 6, 2019

The mid-domain effect in flowering phenology.

Yanjun Du¹, Rongchen Zhang², Xinran Tang¹

¹School of Tropical Agriculture and Forestry (School of Agricultural and Rural Affairs, School of Rural Revitalization), Hainan University, Haikou 570228, China.

Plant Diversity

|September 16, 2024

Summary

The mid-domain effect significantly explains flowering diversity across China, particularly at higher latitudes. This geometric constraint, alongside climate, influences plant community assembly and species distribution patterns.

Keywords:

Flowering diversity Functional biogeography Latitudinal gradient Macroecology Macrophenology Null model

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Area of Science:

Ecology
Botany
Biodiversity science

Background:

Flowering timing is crucial for plant species distribution and community assembly.
Understanding factors shaping flowering diversity (number of species flowering per period) is essential.
The mid-domain effect proposes geometric constraints create diversity peaks regardless of ecology.

Purpose of the Study:

To investigate if the mid-domain effect explains peak flowering time across China.
To analyze the relationship between flowering diversity, the mid-domain effect, and climatic variables.
To assess the influence of geometric constraints on plant phenology.

Main Methods:

Utilized phenological data for 16,267 herbaceous and woody species from China's provincial Flora.
Employed species distribution data from the Chinese Vascular Plant Distribution Database.
Correlated observed flowering diversity with mid-domain effect predictions and climatic variables (temperature, precipitation, sunshine duration).

Main Results:

The mid-domain effect significantly explained temporal variation in flowering diversity across China.
Its explanatory power for flowering diversity was greater at higher latitudes than lower latitudes.
Flowering diversity patterns for both herbaceous and woody species were influenced by the mid-domain effect and environmental factors.

Conclusions:

Geometric constraints, as described by the mid-domain effect, are significant drivers of flowering diversity patterns in China.
Latitude influences the strength of the mid-domain effect on flowering diversity.
Integrating geometric constraints with abiotic and biotic factors enhances predictions of plant flowering diversity.