Sapling Mortality Calculator

Don't miss your density targets. Calculate exactly how many seedlings to order to account for natural loss.

Project Goals

Desired Final DensityTrees surviving per acre/hectare

Expected Mortality30% loss expected

0%30%95%

Cost Per Seedling ($)

$

Trees to Order

572seedlings

Buy 172 extra to account for loss.

Ideal Budget (No Loss)$1,000.00

Real Budget$1,430.00

Cost of Mortality+$430.00

"To have 400 survivors in your Restoration project, you need to plant 43% more trees."

Why use this calculator?

Ecological restoration is unpredictable. If you need 400 surviving trees and expect 30% mortality, ordering 400 trees guarantees you will fall short. You need to order enough so that after the loss, you are left with your target.

Formula: Order Quantity = Desired Density / (1 - Mortality Rate)

This tool helps you communicate the true cost of a project to stakeholders, showing that buying extra trees now is cheaper than mobilizing a replanting crew next year to meet regulatory requirements.

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