Birth rate

birth rate

• （日本語）
• (Español)

Definition

Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)

• The rate at which births occur in a population, measured either as the number of individuals born per unit of time or as the percentage of births per unit of time compared with the total population.

文献（引用）

• Botkin, D. B. & Keller, E. A. 1998. Environmental Science: Earth as a Living Planet, 2nd ed. -xxxxii + 649 pp. John Wiley & Sons, Inc., New York.

---

広島大学 / デジタル自然史博物館 / 植物 / アルファベット順 / B | 仮名順 にもどる