Tonnage Surveys

Tonnage Surveys

These reports present the findings of surveys conducted by the American Herbal Products Association (AHPA) to quantify annual harvests of certain North American herbs in commerce.

2011 - 2017 Tonnage Survey of Select North American Wild-Harvested Plants

March 2021: AHPA Members log-in to download this free document

In the current report, AHPA developed, conducted, and tabulated the results of two individual surveys designed to quantify the annual harvest of 41 botanical commodities for harvests conducted from 2011 through 2013, and 45 botanical commodities for harvests conducted from 2014 through 2017.

2006–2010 Tonnage Survey of Select North American Wild-Harvested Plants

AHPA Members log-in to download this free document

This fifth AHPA harvest survey report includes quantifications of harvests from 2006 to 2010 for 26 botanical commodities derived from 22 plant species, including a number of high-volume herbal commodities.

2004–2005 Tonnage Survey of Select North American Wild-Harvested Plants

July 2005: AHPA Members log-in to download this free document

2004–2005 Tonnage Survey of Select North American Wild-Harvested Plants

2002–2003 Tonnage Survey of Select North American Wild-Harvested Plants

AHPA PDF Publication

2002–2003 Tonnage Survey of Select North American Wild-Harvested Plants

2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants

2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants

2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants

1999 Tonnage Survey of Select North American Wild-Harvested Plants

1999 Tonnage Survey of Select North American Wild-Harvested Plants

1999 Tonnage Survey of Select North American Wild-Harvested Plants
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