| By request | Average Number of Tree Seeds 1997–99 | | Tree seed production indicator: average number of tree seeds collected, by species, for two years (1997–99) and normalized tree seed data from the plots at Bear Brook Watershed in Maine. | 1997-07-01 to 1999-08-31 |
| By request | Bear Brook Watershed Maine Plot Descriptions | | Plot descriptions for the Bear Brook Watershed vegetation monitoring study, 1997-1999. | 1997-07-01 to 1999-08-31 |
| By request | Epiphytic Foliose and Fruticose Macrolichens | | Epiphytic foliose and fruticose macrolichens within Bear Brook Watershed in Maine in 1996 (these species were present on tree boles and branches). | 1996-07-01 to 1996-08-31 |
| By request | Forb, Fern, and Graminoid Species | | Forb, fern, graminoid, and introduced forb and grass species recorded at Bear Brook Watershed in Maine in 1997. | 1997-07-01 to 1997-08-31 |
| By request | Number of Live Saplings | | Forest mensuration indicator: number of live saplings per plot (sum of all four subplots within each cluster-plot), by species, at Bear Brook Watershed, Maine, in 1997. | 1997-07-01 to 1997-08-31 |
| By request | Number of Live Seedlings | | Forest mensuration indicator: number of live seedlings per plot (sum of all four subplots within each cluster-plot), by species, at Bear Brook Watershed, Maine, in 1997. | 1997-07-01 to 1997-08-31 |
| By request | Number of Live Trees by DBH | | Forest mensuration indicator: number of live trees, of the major dominant species, by dbh (in 5-cm size classes) at Bear Brook Watershed in Maine in 1997. | 1997-07-01 to 1997-08-31 |
| By request | Number of Tree Seeds 1997 | | Tree seed production indicator: number of tree seeds per plot (sum of all four subplots within each cluster-plot), by species, at Bear Brook Watershed, Maine, in 1997. | 1997-07-01 (ongoing) |
| By request | Number of Tree Seeds 1997–98 and 1998–99 | | Tree seed production indicator: number of tree seeds collected, by species, in both 1997–98 and 1998–99 and normalized tree seed data from the plots at Bear Brook Watershed in Maine. | 1997-07-01 to 1999-08-31 |
| By request | Number of Tree Seeds 1998 | | Tree seed production indicator: number of tree seeds per plot (sum of all four subplots within each cluster-plot), by species, at Bear Brook Watershed, Maine, in 1998. | 1998-07-01 to 1998-08-31 |
| By request | Number of Trees Per Plot | | Forest mensuration indicator: number of trees per plot (sum of all four subplots within each cluster-plot), by species, at Bear Brook Watershed, Maine, in 1997. | 1997-07-01 to 1999-08-31 |
| By request | Percentage of Trees, Saplings, and Seedlings | | Forest mensuration indicator: percentage of the total number of trees, saplings, and seedlings per plot of the six major dominant species at Bear Brook Watershed in Maine in 1997. | 1997-07-01 to 1997-08-31 |
| By request | Seed Dispersal Dates for the Tree Species | | Seed dispersal dates for the tree species from a variety of sources. Information included in the Bear Brook Watershed, Maine, vegetation study, 1997-1999. | 1997-07-01 to 1999-08-31 |
| By request | Tree, Shrub, and Liana Species | | Tree, shrub, and liana species identified in the Bear Brook Watershed, Maine, vegetation study, 1997-1999. | 1997-07-01 to 1999-08-31 |
| By request | Vegetation Size Categories and Corresponding Plot Size | | Forest health monitoring vegetation size categories and their corresponding plot size and area. | 1997-07-01 to 1999-08-31 |
