Merge branch 'main' of github.com:SPAAM-community/intro-to-ancient-metagenomics-book

Author: jfy133

section-ancient-metagenomics.qmd

@@ -6,11 +6,11 @@ The techniques in this section of the book can be used in a variety of stages of
 
 ## [Taxonomic Profiling](taxonomic-profiling.qmd)
 
+One of the first questions when looking at metagenomics data is often _Who is there?_. But this question is actually not specific to (ancient) metagenomics, but in fact is a broader ecological question that has first been applied to macro ecological systems.
 
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+In this chapter, we will show you how to answer this question at the microbial scale using methods applied to ancient metagenomics data.
+We will talk about taxonomic profiling, ecological diversity metrics, how to compare different samples and see how they relate through their community composition.
+We will learn about taxonomic profiler tools, ways to analyze and visualize taxonomic profiles, libraries to manipulate taxonomic profile tables, and libraries to compute and visualize ecological diversity metrics.
 
 ## [_De novo_ Assembly](denovo-assembly.qmd)