OUR ECOSYSTEMS UNDER

LIGHT

POLLUTION

Mayanglambam

Ojit Kumar Singh

Assistant Prof, Zoology and Life Science

Ramjas College, Delhi University

Anushka

B.Sc. (Hons.), Zoology

Ramjas College

Delhi University

Ashok Kumar

Associate Professor, Physics

Ramjas College, Delhi University

Light pollution is the artificial,
misdirected, misplaced, unshielded
and excessive light which pollutes
area not intended to be lit. This
greatly affects the observational
astronomers and prevents others
viewing dark night sky filled with a
myriad of beautiful stars. Technically
there are three main types of light

pollution, which include – glare, light

trespass and sky glow, in addition to

over illumination. It also involves the

wastage of energy issues, however,

we confines our discussion to the

biological aspects of light pollution.

Light as a pollutant is well situated

in the context of the present

pollution narratives. It is even more

seriously true when one considers

its implications on the ecological

relationships among the structures

of the ecosystem. The critical role of

the natural light in regulating species

interactions has long been studied by

the ecologists. However, the role of

the artificial night lighting and