Artifacts recovered after long immersion in salt or freshwater require conservation treatment if they are to last. On exposure to high concentrations of oxygen in the air, iron artifacts will bloom into piles of rust. Wood will crack and split if dried out improperly. Organic materials will crumble to dust.
The manual below details conservation methods for many types of materials and artifacts.
Zostera marina
Size: to 36"
Seagrasses are a group of approximately 50 species of vascular plants that complete their entire life cycle fully submerged in the marine environment. The most common and ecologically important seagrasses in New Jersey are eelgrass ( Zostera marina ) and widgeon grass ( Ruppia maritima ). Widgeon grass, however, is actually a fresh/brackish water plant with extreme salinity tolerance and is therefore sometimes not classified as a "true" marine seagrass.
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