Epigeal, epigean, epigeic and epigeous are biological terms describing an organism's activity above the soil surface. In botany, a seed is described as showing epigeal germination when the cotyledons of the germinating seed expand, throw off the seed shell and become photosynthetic above the ground.

2014年7月15日 · Epigeic earthworms are characterized by their small stature, high levels of pigmentation, and ubiquitous presence on nearly every significant land mass on Earth. Their prolific range comes at the expense of a poor burrowing ability, which limits their niche within a given ecosystem to the outermost layers of soil.

2023年1月1日 · Earthworms are generally categorized into three main ecological groups—epigeic, endogeic, and anecic—based on their morphology, location in the soil profile, and feeding habits (Bouché, 1977).

The meaning of EPIGEAL is forced above ground by elongation of the hypocotyl. How to use epigeal in a sentence.

依蚯蚓的习性及其在生态系统中的功能，蚯蚓一般被分为3种生态类群，即表栖类（epigeic）、内栖类（endogeic）和深栖类（anecic），不同生态类群的食性和习性迥异。

2020年8月1日 · Epigeic species are small sized and light in weight. They are all pigmented, usually red with a gradient along the body. The caudal part of the body is sometimes flattened and the epithelium is soft.

2021年5月21日 · In addition, using expert opinion and details given by data providers, we classified each earthworm species into ecological groups based on their feeding and burrowing behaviours (epigeics,...

2024年8月1日 · Epigeic earthworms live on the surface of the soil in leaf litter. These species tend not to make burrows but live in and feed on the leaf litter. Epigeic earthworms are also often bright red or reddish-brown. Endogeic earthworms live in and feed on the soil.

(of earthworms) Living in the topsoil and depositing wormcasts on the surface.

Definition of Epigeic: the name given to an organism living on the soil surface.