a thickness of some homogeneous substance, such as a stratum or a coating on a surface
2.
one of four or more levels of vegetation defined in ecological studies: the ground or moss layer, the field or herb layer, the shrub layer, and one or more tree layers
3.
a laying hen
4. horticulture
a.
a shoot or branch rooted during layering
b.
a plant produced as a result of layering
verb
5.
to form or make a layer of (something)
6.
to take root or cause to take root by layering
Word origin
C14 leyer, legger, from lay1 + -er1
Examples of 'herb layer' in a sentence
herb layer
Later, thinning of a forest stand enabled the herb layer to regenerate.
Hieronim Andrzejewski 2014, 'Changes in the species composition and structure of the herb layer of a thermophilousoak forest subject to clear cutting', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/3019. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The herb layer plays the leading role in the syntaxonomic differentiation of associations and alliances.
J. MORAVEC 1997, 'DIFFERENTIATION OF THE FAGIO N AND LUZULO-FAGION ASSOCIATIONS IN THE CZECH REPUBLIC',Annali di Botanicahttp://annalidibotanica.uniroma1.it/index.php/Annalidibotanica/article/view/9029. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Response to these changes was registered particularly in the herb layer.
Emil Klimo, Jiří Kulhavý, Alois Prax, Ladislav Menšík, Pavel Hadaš, Oldřich Mauer 2013, 'Functioning of South Moravian Floodplain Forests (Czech Republic) in Forest EnvironmentSubject to Natural and Anthropogenic Change', International Journal of Forestry Researchhttp://dx.doi.org/10.1155/2013/248749. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Plant species richness in the herb layer had no significant effects on spiders.
Andreas Schuldt, Sabine Both, Helge Bruelheide, Werner Härdtle, Bernhard Schmid, HongzhangZhou, Thorsten Assmann 2011, 'Predator diversity and abundance provide little support for the enemies hypothesisin forests of high tree diversity.', PLoS ONEhttp://europepmc.org/articles/PMC3145774?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Tree diversity and herb layer were considered important environmental factors in determining bryophyte distribution.
Yun Chen, Shuai Niu, Peikun Li, Hongru Jia, Hailiang Wang, Yongzhong Ye, ZhiliangYuan 2017, 'Stand Structure and Substrate Diversity as Two Major Drivers for Bryophyte Distributionin a Temperate Montane Ecosystem', Frontiers in Plant Sciencehttp://journal.frontiersin.org/article/10.3389/fpls.2017.00874/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Herb layer diversity appeared to respond to neither soil nor canopy variables on either watershed.
Frank S. Gilliam 2019, 'Excess Nitrogen in Temperate Forest Ecosystems Decreases Herbaceous Layer Diversityand Shifts Control from Soil to Canopy Structure', Forestshttp://www.mdpi.com/1999-4907/10/1/66. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The regress of the herb layer took place several years later in a young pine stand.
Hieronim Andrzejewski 2014, 'Changes in the species composition and structure of the herb layer of a thermophilousoak forest subject to clear cutting', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/3019. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Dominance structure of species in the herb layer was not reflected in the underlying seed bank.
Maciej Wódkiewicz, Anna Justyna Kwiatkowska-Falińska 2011, 'Similarity between seed bank and herb layer in a natural deciduous temperate lowlandforest', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/343. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
C stocks of tree layer, shrub layer, herb layer, coarse wood debris, forest floor and soil were estimated.
Ning Liu, Hongwei Nan 2018, 'Carbon stocks of three secondary coniferous forests along an altitudinal gradienton Loess Plateau in inland China', PLOS ONE10.1371/journal.pone.0196927. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)