Archive | November 2017

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The Relationship Between Forest Type and Amphibian Abundance

Follow the twitter account @nofibs4amphibs to learn more and see fun updates on the research project! Introduction Amphibians are cold-blooded vertebrates who undergo fascinating metamorphoses. Once upon a time, they were the top land predators from the Carboniferous to early Permian (Carroll 2009). A diverse group, they occupy many niches and play an invaluable role […]

Species Richness of Ascomycota in the Morgan Arboretum

Fungi are a highly diverse kingdom of organisms, ranging from microscopic yeasts to the world’s largest living organism, the honey fungus, whose fruiting bodies can span across nearly 4 km of land (Fleming, N. 2014). At first glance, many fungi seem to bear a significant resemblance to members of the plant kingdom, while in actual […]

Beech Bark Disease Severity vs. Tree diversity

Beech Bark Disease Severity vs. Tree diversity

The American beech tree (Fagus grandifolia) is a species of canopy tree found in the northeastern U.S and Canada, growing in mixed deciduous, hardwood, and temperate forests (Zhang et al., 2015). In the Morgan Arboretum, which is dominated primary by sugar maple and beech, these beech tree plays a significant role in the ecosystem by […]

Hay Scented Fern and its Effect on Sugar Maple Trees in the Morgan Arboretum

Hay Scented Fern and its Effect on Sugar Maple Trees in the Morgan Arboretum

Overview: Hay-scented fern (Dennstaedtia punctilobula) is an invasive, rhizomatous, perennial fern native to North America (Hippensteel and Bowersox, 1995). This species grows in many different conditions and spreads itself by dispersing its spores with the help of wind. This perennial fern is about 1-3’ tall, with deciduous leaves that are erect to ascending. It is […]

Variation of the Refuge Depth of Salamanders at the Morgan Arboretum

Variation of the Refuge Depth of Salamanders at the Morgan Arboretum

Overview Although they are hidden amongst the leaf litter and often hard to spot, salamanders are key subjects in many ecological studies. While clearing out rocks from a site at the Morgan Arboretum, one of our team members noticed an abundance of salamanders underneath rocks located deeper in the soil. According to studies completed about […]

Human Impact on the Invertebrate Diversity in the Grasslands of the Morgan Arboretum

Invertebrates and Human Impact What would happen if invertebrates disappeared? It is a question one might have never pondered, for invertebrates by their small size and unpopular status, are often ignored. In short, it would be catastrophic. Invertebrates provide many essential ecosystem services and impact us in many ways. Ecosystem services are defined as the […]

Eutypella Canker Disease of Maples

Eutypella Canker Disease of Maples

The sugar maple (Acer saccharum) is a hardwood species native to eastern Canada. It is significant in canadian culture and economy. Its leaf is featured on the national flag and its sap can be processed into maple syrup, a valuable commodity.  Canada alone manufactures around 80% of the world’s maple syrup. Most of it is […]