We examined the original manuscripts of a French national survey conducted in 1933 on the state of common eelgrass Zostera marina beds along the French Atlantic coasts during the period when wasting disease struck the entire North Atlantic population in the 1930s. Based on GIS related techniques and old sets of aerial photographs, we present the first accurate mapping of the Z. marina beds befo...

The areal extent of Zostera marina in the archipelago of the Swedish Skagerrak has decreased by 60% over two decades. To investigate the effects of Z. marina loss on the local fish assemblages, the fish fauna was compared between existing seagrass beds and sites where seagrass had vanished. A field study was carried out at four shallow locations in the outer archipelago of the coast in June 200...

Title of thesis: ACCLIMATION OF MARINE MACROPHYTES (SACCHARINA LATISSIMA AND ZOSTERA MARINA) TO WATER FLOW Terry Jordan, Master of Science, 2008 Thesis directed by: Dr. Evamaria Koch I examined the physiological response of two marine macrophytes, the brown alga Saccharina latissima and the angiosperm Zostera marina, to water flow in nature and in controlled experiments. Limitation of photosynt...

Polylobus stigma (Erichson, 1839) is the only known species of the genus from Brazil. Here, this species is redescribed based on the type material, including illustrations of diagnostic characters. The species remains in Polylobus, but pending further revision of the genus and related genera as Tricolpochila Bernhauer, 1908 and Polylobinus Bernhauer, 1908. A commented checklist of all species i...

This article presents a novel system called MARINA for reconstructing 3D architectural models from 2D images. MARINA relies on Projective Geometry and Grassman-Cayley Algebra to perform the 3D reconstruction in a formal way through geometrical reasoning. MARINA follows a user-centered process, allowing users to draw points and lines over images (photographs, hand sketches or engravings) and spe...

Pro- and eukaryotic microbes associated with multi-cellular organisms are receiving increasing attention as a driving factor in ecosystems. Endophytes in plants can change host performance by altering nutrient uptake, secondary metabolite production or defense mechanisms. Recent studies detected widespread prevalence of Labyrinthula zosterae in European Zostera marina meadows, a protist that al...

BACKGROUND The seagrass Zostera marina is a monocotyledonous angiosperm belonging to a polyphyletic group of plants that can live submerged in marine habitats. Zostera marina L. is one of the most common seagrasses and is considered a cornerstone of marine plant molecular ecology research and comparative studies. However, the mechanisms underlying its adaptation to the marine environment still ...

This work assessed the antioxidant potential, acetylcholinesterase (AChE) inhibition and the in vitro cytotoxic activity of extracts of the seagrasses Zostera marina and Zostera noltei collected from southern Portugal. The total phenolic contents (TPCs), the rosmarinic acid (RA) concentration (HPLC/DAD) and the fatty acid (FA) profile (GC/MS) are also described. Z. marina had the highest TPC, r...