PRINCIPLES OF LIFE
PRINCIPLES OF LIFE
3rd Edition
ISBN: 9781319017712
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 42, Problem 1.1Q
Summary Introduction

To determine: The way in which NPP serves to measure the flux of materials as well as energy through an ecosystem.

Introduction: Net primary productivity (NPP) is the rate at which the chemical energy produced by plants is stored in the tissues of the primary producers. The GPP is always greater than NPP.

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Aspects of ecosystem functions are the complex processes through which various components share and precisely transform materials and resources. The direct relation between energy and materials implies that net primary productivity is a basic measure of the level at which energy and material flow between the abiotic and biotic components of a particular ecosystem. NPP tells about the specific composition of flow of matter across various trophic levels.

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